diff --git a/README.md b/README.md
index c7e17af..8b9964a 100644
--- a/README.md
+++ b/README.md
@@ -30,7 +30,7 @@ Usage: anki [OPTIONS] COMMAND [ARGS]...
 │ decks        List decks with review stats.                                   │
 │ models       List available note types.                                      │
 │ search       Search notes using Anki query syntax.                           │
-│ list         List notes, optionally filtered by deck and/or tag.             │
+│ list         List notes, optionally filtered by deck, tag, and/or flag.      │
 │ show         Show full details of one or more notes.                         │
 │ add          Add a new note.                                                 │
 │ edit         Edit fields of an existing note.                                │
diff --git a/src/anki_cli/cli.py b/src/anki_cli/cli.py
index be2f1a0..306f96d 100644
--- a/src/anki_cli/cli.py
+++ b/src/anki_cli/cli.py
@@ -178,15 +178,27 @@ def search(
 def list_(
     deck: Annotated[str | None, typer.Option("--deck", "-d", help="Filter by deck")] = None,
     tag: Annotated[str | None, typer.Option("--tag", "-t", help="Filter by tag")] = None,
+    flag: Annotated[
+        int | None, typer.Option("--flag", "-F", help="Flag color (1-7) or 0 for any")
+    ] = None,
     limit: Annotated[int, typer.Option("--limit", "-l", help="Max results")] = 20,
     brief: Annotated[bool, typer.Option("--brief", "-B", help="Truncated table view")] = False,
 ) -> None:
-    """List notes, optionally filtered by deck and/or tag."""
+    """List notes, optionally filtered by deck, tag, and/or flag."""
+    if flag is not None and not 0 <= flag <= 7:
+        console.print("[red]--flag must be 0 (any) or 1-7.[/red]")
+        raise typer.Exit(2)
+
     parts = []
     if deck:
         parts.append(f'"deck:{deck}"')
     if tag:
         parts.append(f'"tag:{tag}"')
+    if flag is not None:
+        if flag == 0:
+            parts.append("(" + " OR ".join(f"flag:{i}" for i in range(1, 8)) + ")")
+        else:
+            parts.append(f"flag:{flag}")
     query = " ".join(parts) or "deck:*"
 
     client = AnkiClient()
@@ -200,6 +212,12 @@ def list_(
         title = f"Deck: {deck}"
     if tag:
         title += f" [tag:{tag}]" if deck else f"Tag: {tag}"
+    if flag is not None:
+        flag_label = "Flagged" if flag == 0 else f"Flag: {flag}"
+        if deck or tag:
+            title += f" [{flag_label.lower()}]"
+        else:
+            title = flag_label
     _render_notes(infos, len(ids), title, limit, brief)
 
 
diff --git a/tests/test_cli_search.py b/tests/test_cli_search.py
index 2850bb0..aa7e84d 100644
--- a/tests/test_cli_search.py
+++ b/tests/test_cli_search.py
@@ -23,5 +23,16 @@ def test_fuzzy_score_empty_query_returns_zero(self) -> None:
         self.assertEqual(_fuzzy_score("", note), 0.0)
 
 
+class ListFlagTests(unittest.TestCase):
+    def test_flag_rejects_out_of_range(self) -> None:
+        result = runner.invoke(app, ["list", "--flag", "9"])
+        self.assertEqual(result.exit_code, 2)
+        self.assertIn("--flag must be 0 (any) or 1-7.", result.stdout)
+
+    def test_flag_rejects_negative(self) -> None:
+        result = runner.invoke(app, ["list", "--flag", "-1"])
+        self.assertNotEqual(result.exit_code, 0)
+
+
 if __name__ == "__main__":
     unittest.main()