diff --git a/apps/desktop/src/components/grid/DataGrid.vue b/apps/desktop/src/components/grid/DataGrid.vue
index 931cc01e5c..6ca2b38c96 100644
--- a/apps/desktop/src/components/grid/DataGrid.vue
+++ b/apps/desktop/src/components/grid/DataGrid.vue
@@ -645,6 +645,10 @@ let preservedSelectionOnNextResult: {
   selection: PersistedDataGridSelection;
   sourceResult: QueryResult;
 } | null = null;
+let preservedTransposeRecordOnNextResult: {
+  selection: PersistedDataGridSelection;
+  sourceResult: QueryResult;
+} | null = null;
 let preservedDetailsOnNextResult: {
   sideCell?: PersistedDataGridSelection;
   sideCellHasPendingDraft?: boolean;
@@ -5334,6 +5338,20 @@ function restoreSelectionAfterRefresh(snapshot: PersistedDataGridSelection) {
   });
 }
 
+function restoreTransposeRecordAfterRefresh(snapshot: PersistedDataGridSelection) {
+  const restored = restoreDataGridSelection({
+    snapshot,
+    columns: props.result.columns,
+    sourceColumns: props.sourceColumns,
+    rows: props.result.rows,
+    visibleColumnIndexes: visibleColumnIndexes.value,
+    displayItems: displayItems.value,
+  });
+  if (restored?.kind !== "rows") return;
+  transposeRowIndex.value = restored.scrollRowIndex;
+  nextTick(() => scrollTransposeRecordIntoView(restored.scrollRowIndex));
+}
+
 /** Bounded settling envelope for a replayed tab-switch viewport. */
 const MAX_VIEW_SNAPSHOT_RESTORE_FRAMES = 8;
 let viewSnapshotRestoreFrame = 0;
@@ -6297,6 +6315,14 @@ function applyColumnSort(column: string, columnIndex: number, direction: "asc" |
     toast(t("grid.largeValueLocalSortUnavailable"), 5000);
     return;
   }
+  if (showTranspose.value) {
+    const selection = captureCurrentSelectionForRefresh();
+    preservedSelectionOnNextResult = selection ? { selection, sourceResult: props.result } : null;
+    const activeRecord = transposeRowIndex.value === null ? undefined : displayItemAt(transposeRowIndex.value);
+    const activeRecordSelection = captureRowTargetForRefresh(activeRecord?.id ?? null);
+    preservedTransposeRecordOnNextResult = activeRecordSelection ? { selection: activeRecordSelection, sourceResult: props.result } : null;
+    preserveTransposeOnNextResult.value = true;
+  }
   if (mode === "database" && (infiniteScrollEnabled.value || loadAllRowsActive.value)) {
     resetInfiniteScrollState();
   } else {
@@ -10150,6 +10176,8 @@ watch(
     // check has to run before the markers are consumed below.
     const inPlaceRefreshPending = preservedSelectionOnNextResult !== null || preservedViewportAnchorOnNextResult !== null || preservedDetailsOnNextResult !== null || preserveTransposeOnNextResult.value;
     preservedSelectionOnNextResult = null;
+    const transposeRecordSnapshot = preservedTransposeRecordOnNextResult?.selection;
+    preservedTransposeRecordOnNextResult = null;
     const viewportAnchorSnapshot = preservedViewportAnchorOnNextResult?.anchor;
     preservedViewportAnchorOnNextResult = null;
     const detailsSnapshot = preservedDetailsOnNextResult;
@@ -10211,6 +10239,7 @@ watch(
     }
     exitTransaction();
     if (selectionSnapshot) restoreSelectionAfterRefresh(selectionSnapshot);
+    if (transposeRecordSnapshot) restoreTransposeRecordAfterRefresh(transposeRecordSnapshot);
     if (detailsSnapshot) restoreDetailsAfterRefresh(detailsSnapshot);
     if (viewportAnchorSnapshot) restoreViewportAnchorAfterRefresh(viewportAnchorSnapshot);
   },
@@ -12537,6 +12566,8 @@ useUpdateBlocker(() => (hasPendingChanges.value || hasPendingDataEditorDraft.val
                     <div
                       v-for="recordIndex in activeTransposeRecordIndexes"
                       :key="`transpose-head-${recordIndex}`"
+                      data-grid-transpose-record-header
+                      :data-grid-transpose-record-index="recordIndex"
                       class="shrink-0 border-r border-border px-2 py-1.5 text-left tabular-nums relative"
                       :class="{
                         'transpose-record-header-selected text-primary font-semibold': transposeRecordUsesFramedHeader(recordIndex),
@@ -12567,6 +12598,7 @@ useUpdateBlocker(() => (hasPendingChanges.value || hasPendingDataEditorDraft.val
                     <LightTooltip :text="transposeFieldTitle(item)" side="right" :side-offset="6" :delay="250" :open-on-focus="false" surface="popover">
                       <div
                         data-native-clipboard
+                        :data-grid-transpose-column-index="visibleColumnIndexes[index]"
                         class="sticky left-0 z-10 flex shrink-0 flex-col items-start justify-center overflow-hidden border-r border-border bg-background px-3 py-0"
                         :class="{
                           'ring-2 ring-inset ring-primary': highlightedColumnIndex === visibleColumnIndexes[index],
@@ -12575,11 +12607,43 @@ useUpdateBlocker(() => (hasPendingChanges.value || hasPendingDataEditorDraft.val
                         }"
                         :style="{ width: `${transposePinnedWidth}px` }"
                       >
-                        <span class="flex min-w-0 items-center gap-1 overflow-hidden">
+                        <span class="flex w-full min-w-0 items-center gap-1 overflow-hidden pr-5">
                           <KeyRound v-if="transposeColumnIndexKind(item.column) === 'primary'" data-grid-transpose-index-indicator class="h-3 w-3 shrink-0" :class="columnIndexColorClass('primary')" :title="transposeColumnIndexText('primary')" />
                           <Hash v-else-if="transposeColumnIndexKind(item.column)" data-grid-transpose-index-indicator class="h-3 w-3 shrink-0" :class="columnIndexColorClass(transposeColumnIndexKind(item.column)!)" :title="transposeColumnIndexText(transposeColumnIndexKind(item.column)!)" />
                           <span class="min-w-0 flex-1 truncate font-medium leading-4">{{ item.column }}</span>
                         </span>
+                        <LightDropdownMenu
+                          v-if="headerColumnSortable(visibleColumnIndexes[index])"
+                          :items="sortMenuItems(item.column, visibleColumnIndexes[index])"
+                          :open="headerSortMenuOpenColumn === visibleColumnIndexes[index]"
+                          :selected-value="selectedSortMenuValue(item.column, visibleColumnIndexes[index])"
+                          check-position="none"
+                          align="end"
+                          content-class="w-max min-w-28 p-0.5"
+                          item-class="gap-1 rounded-none px-1.5 py-0.5 text-xs"
+                          item-icon-class="h-3 w-3"
+                          :match-trigger-width="false"
+                          @update:open="(value: boolean) => (headerSortMenuOpenColumn = value ? visibleColumnIndexes[index] : null)"
+                          @select="(value: string) => selectHeaderSort(value, item.column, visibleColumnIndexes[index])"
+                        >
+                          <template #trigger="{ open, toggle }">
+                            <button
+                              data-grid-transpose-sort
+                              type="button"
+                              class="absolute right-1 top-1 flex h-4 w-4 shrink-0 items-center justify-center rounded"
+                              :class="columnIsSorted(item.column, visibleColumnIndexes[index]) ? 'bg-primary text-primary-foreground opacity-100 shadow-sm hover:bg-primary/90' : 'text-muted-foreground opacity-80 hover:bg-accent hover:text-foreground'"
+                              :title="t('grid.sort')"
+                              :aria-label="`${t('grid.sort')}: ${item.column}`"
+                              :aria-expanded="open"
+                              @mousedown.stop
+                              @click.stop="toggle"
+                            >
+                              <ArrowUp v-if="columnIsSorted(item.column, visibleColumnIndexes[index]) && sortDir === 'asc'" class="h-3 w-3 shrink-0" />
+                              <ArrowDown v-else-if="columnIsSorted(item.column, visibleColumnIndexes[index]) && sortDir === 'desc'" class="h-3 w-3 shrink-0" />
+                              <ArrowUpDown v-else class="h-3 w-3 shrink-0" />
+                            </button>
+                          </template>
+                        </LightDropdownMenu>
                         <template v-if="showTransposeFieldMetadata && showColumnTypesInHeader && item.type">
                           <span data-grid-transpose-type-line class="h-3 min-w-0 truncate text-[10px] font-normal leading-3 select-none" :class="typeColorClass(item.type)" :title="item.type">
                             {{ item.type }}
@@ -12613,6 +12677,8 @@ useUpdateBlocker(() => (hasPendingChanges.value || hasPendingDataEditorDraft.val
                     <div
                       v-for="cell in item.values"
                       :key="`${item.id}:${cell.recordIndex}`"
+                      data-grid-transpose-cell
+                      :data-grid-transpose-record-index="cell.recordIndex"
                       class="relative flex shrink-0 items-center border-r border-border/70 px-2 py-0"
                       :class="[
                         transposeCellTextColorClass(cell.recordIndex, cell.valueIndex),
diff --git a/apps/desktop/src/components/grid/__tests__/DataGridTransposeSort.spec.ts b/apps/desktop/src/components/grid/__tests__/DataGridTransposeSort.spec.ts
new file mode 100644
index 0000000000..1e8a9eed1b
--- /dev/null
+++ b/apps/desktop/src/components/grid/__tests__/DataGridTransposeSort.spec.ts
@@ -0,0 +1,209 @@
+// @vitest-environment happy-dom
+
+import { createApp, defineComponent, h, markRaw, nextTick, ref, type App, type PropType } from "vue";
+import { createPinia, setActivePinia } from "pinia";
+import { afterEach, describe, expect, it, vi } from "vitest";
+import i18n from "@/i18n";
+import type { QueryResult } from "@/types/database";
+import { TooltipProvider } from "@/components/ui/tooltip";
+import { sortDataGridRowIndexes, type DataGridSortDirection, type DataGridSortMode } from "@/lib/dataGrid/dataGridSort";
+
+vi.mock("vue-virtual-scroller", async () => {
+  const { defineComponent, h } = await import("vue");
+  return {
+    RecycleScroller: defineComponent({
+      props: {
+        items: {
+          type: Array as PropType<unknown[]>,
+          default: () => [],
+        },
+      },
+      setup(props, { attrs, slots }) {
+        return () => h("div", attrs, [slots.before?.(), props.items.map((item, index) => slots.default?.({ item, index }))]);
+      },
+    }),
+  };
+});
+
+vi.mock("@/composables/useDataGridColumnResize", async (importOriginal) => {
+  const actual = await importOriginal<typeof import("@/composables/useDataGridColumnResize")>();
+  const { ref } = await import("vue");
+  return {
+    ...actual,
+    useDataGridColumnResize: () => ({
+      initColumnWidths: vi.fn(),
+      onResizeStart: vi.fn(),
+      autoFitColumn: vi.fn(),
+      renderedColumnWidths: ref([120, 120]),
+      totalWidth: ref(240),
+      columnVars: ref({ "--total-w": "240px" }),
+      getIsResizing: () => false,
+    }),
+  };
+});
+
+import DataGrid from "../DataGrid.vue";
+import { useSettingsStore } from "@/stores/settingsStore";
+
+const mountedApps: Array<{ app: App; host: HTMLElement }> = [];
+
+async function settle() {
+  await nextTick();
+  await Promise.resolve();
+  await nextTick();
+}
+
+function menuAction(label: string): HTMLButtonElement {
+  const button = [...document.querySelectorAll<HTMLButtonElement>('[role="menuitem"]')].find((candidate) => candidate.textContent?.trim() === label);
+  if (!button) throw new Error(`Sort menu action not found: ${label}`);
+  return button;
+}
+
+function transposeField(host: HTMLElement, columnIndex: number): HTMLElement {
+  const field = host.querySelector<HTMLElement>(`[data-grid-transpose-column-index="${columnIndex}"]`);
+  if (!field) throw new Error(`Transpose field not found: ${columnIndex}`);
+  return field.closest<HTMLElement>(".data-grid-transpose-row")!;
+}
+
+function transposeValues(host: HTMLElement, columnIndex: number): string[] {
+  return [...transposeField(host, columnIndex).querySelectorAll<HTMLElement>("[data-grid-transpose-cell]")].map((cell) => cell.textContent?.trim() ?? "");
+}
+
+function transposeRecordHeader(host: HTMLElement, recordIndex: number): HTMLElement {
+  const header = host.querySelector<HTMLElement>(`[data-grid-transpose-record-header][data-grid-transpose-record-index="${recordIndex}"]`);
+  if (!header) throw new Error(`Transpose record header not found: ${recordIndex}`);
+  return header;
+}
+
+function mountGrid() {
+  const pinia = createPinia();
+  setActivePinia(pinia);
+  const settingsStore = useSettingsStore();
+  settingsStore.updateEditorSettings({ dataGridRenderMode: "dom", dataGridMultiRowTranspose: true });
+
+  const originalRows: QueryResult["rows"] = [
+    ["b", "10"],
+    ["a", null],
+    ["c", "2"],
+  ];
+  const result = ref<QueryResult>(
+    markRaw({
+      columns: ["name", "score"],
+      column_types: ["varchar", "bigint"],
+      rows: originalRows,
+      affected_rows: 0,
+      execution_time_ms: 0,
+    }),
+  );
+  const sortColumn = ref<string>();
+  const sortColumnIndex = ref<number>();
+  const sortDirection = ref<DataGridSortDirection>();
+  const sortMode = ref<DataGridSortMode>();
+  const onSort = vi.fn((column: string, columnIndex: number, direction: DataGridSortDirection | null, _whereInput?: string, mode: DataGridSortMode = "database") => {
+    const indexes = direction ? sortDataGridRowIndexes(originalRows, columnIndex, direction, result.value.column_types?.[columnIndex]) : originalRows.map((_, index) => index);
+    result.value = markRaw({ ...result.value, rows: indexes.map((index) => originalRows[index]!) });
+    sortColumn.value = direction ? column : undefined;
+    sortColumnIndex.value = direction ? columnIndex : undefined;
+    sortDirection.value = direction ?? undefined;
+    sortMode.value = direction ? mode : undefined;
+  });
+
+  const host = document.createElement("div");
+  document.body.append(host);
+  const Root = defineComponent({
+    setup() {
+      return () =>
+        h(
+          TooltipProvider,
+          { delayDuration: 0 },
+          {
+            default: () =>
+              h(DataGrid, {
+                result: result.value,
+                databaseType: "mysql",
+                context: "table-data",
+                sortColumn: sortColumn.value,
+                sortColumnIndex: sortColumnIndex.value,
+                sortDirection: sortDirection.value,
+                sortMode: sortMode.value,
+                tableMeta: {
+                  tableName: "scores",
+                  columns: [
+                    { name: "name", data_type: "varchar", is_nullable: false, column_default: null, is_primary_key: true, extra: null },
+                    { name: "score", data_type: "bigint", is_nullable: true, column_default: null, is_primary_key: false, extra: null },
+                  ],
+                  primaryKeys: ["name"],
+                },
+                onSort,
+              }),
+          },
+        );
+    },
+  });
+  const app = createApp(Root);
+  app.use(pinia);
+  app.use(i18n);
+  app.mount(host);
+  mountedApps.push({ app, host });
+  return { host, onSort };
+}
+
+async function openTranspose(host: HTMLElement) {
+  const firstRowNumber = host.querySelector<HTMLElement>(".data-grid-row-number");
+  if (!firstRowNumber) throw new Error("Row number not found");
+  firstRowNumber.dispatchEvent(new MouseEvent("mousedown", { bubbles: true, cancelable: true, button: 0 }));
+  window.dispatchEvent(new MouseEvent("mouseup", { bubbles: true, cancelable: true, button: 0 }));
+  firstRowNumber.dispatchEvent(new MouseEvent("dblclick", { bubbles: true, cancelable: true, button: 0 }));
+  await settle();
+}
+
+async function selectTransposeSort(host: HTMLElement, columnIndex: number, labelKey: string) {
+  const trigger = transposeField(host, columnIndex).querySelector<HTMLButtonElement>("[data-grid-transpose-sort]");
+  if (!trigger) throw new Error(`Transpose sort trigger not found: ${columnIndex}`);
+  trigger.click();
+  await settle();
+  menuAction(i18n.global.t(labelKey)).click();
+  await settle();
+}
+
+afterEach(() => {
+  for (const { app, host } of mountedApps.splice(0)) {
+    app.unmount();
+    host.remove();
+  }
+});
+
+describe("DataGrid transpose sorting", () => {
+  it("uses the shared local/database sort actions and keeps the active record and row selection", async () => {
+    const { host, onSort } = mountGrid();
+    await settle();
+    await openTranspose(host);
+
+    expect(transposeValues(host, 1)).toEqual(["10", "NULL", "2"]);
+    const nextRecordButton = host.querySelector(".lucide-chevron-right")?.closest<HTMLButtonElement>("button");
+    if (!nextRecordButton) throw new Error("Next transpose record button not found");
+    nextRecordButton.click();
+    await settle();
+    expect(transposeRecordHeader(host, 0).classList.contains("transpose-record-header-selected")).toBe(true);
+    expect(transposeRecordHeader(host, 1).classList.contains("transpose-record-header-active")).toBe(true);
+
+    await selectTransposeSort(host, 1, "grid.sortCurrentPageAscending");
+    expect(onSort).toHaveBeenLastCalledWith("score", 1, "asc", undefined, "local");
+    expect(transposeValues(host, 1)).toEqual(["2", "10", "NULL"]);
+    expect(transposeRecordHeader(host, 1).classList.contains("transpose-record-header-selected")).toBe(true);
+    expect(transposeRecordHeader(host, 2).classList.contains("transpose-record-header-active")).toBe(true);
+
+    await selectTransposeSort(host, 1, "grid.sortDatabaseDescending");
+    expect(onSort).toHaveBeenLastCalledWith("score", 1, "desc", undefined, "database");
+    expect(transposeValues(host, 1)).toEqual(["10", "2", "NULL"]);
+    expect(transposeRecordHeader(host, 0).classList.contains("transpose-record-header-selected")).toBe(true);
+    expect(transposeRecordHeader(host, 2).classList.contains("transpose-record-header-active")).toBe(true);
+
+    await selectTransposeSort(host, 1, "grid.clearSort");
+    expect(onSort).toHaveBeenLastCalledWith("score", 1, null, undefined, "database");
+    expect(transposeValues(host, 1)).toEqual(["10", "NULL", "2"]);
+    expect(transposeRecordHeader(host, 0).classList.contains("transpose-record-header-selected")).toBe(true);
+    expect(transposeRecordHeader(host, 1).classList.contains("transpose-record-header-active")).toBe(true);
+    expect(host.querySelector(".transpose-grid-scroller")).not.toBeNull();
+  });
+});