diff --git a/packages/bsky/src/api/app/bsky/notification/listNotifications.ts b/packages/bsky/src/api/app/bsky/notification/listNotifications.ts
index 6058abe75af..8f4fa2f073e 100644
--- a/packages/bsky/src/api/app/bsky/notification/listNotifications.ts
+++ b/packages/bsky/src/api/app/bsky/notification/listNotifications.ts
@@ -43,6 +43,56 @@ export default function (server: Server, ctx: AppContext) {
   })
 }
 
+const paginateNotifications = async (opts: {
+  ctx: Context
+  priority: boolean
+  reasons?: string[]
+  cursor?: string
+  limit: number
+  viewer: string
+}) => {
+  const { ctx, priority, reasons, limit, viewer } = opts
+
+  // if not filtering, then just pass through the response from dataplane
+  if (!reasons) {
+    const res = await ctx.hydrator.dataplane.getNotifications({
+      actorDid: viewer,
+      priority,
+      cursor: opts.cursor,
+      limit,
+    })
+    return {
+      notifications: res.notifications,
+      cursor: res.cursor,
+    }
+  }
+
+  let nextCursor: string | undefined = opts.cursor
+  let toReturn: Notification[] = []
+  const maxAttempts = 10
+  const attemptSize = Math.ceil(limit / 2)
+  for (let i = 0; i < maxAttempts; i++) {
+    const res = await ctx.hydrator.dataplane.getNotifications({
+      actorDid: viewer,
+      priority,
+      cursor: nextCursor,
+      limit,
+    })
+    const filtered = res.notifications.filter((notif) =>
+      reasons.includes(notif.reason),
+    )
+    toReturn = [...toReturn, ...filtered]
+    nextCursor = res.cursor ?? undefined
+    if (toReturn.length >= attemptSize || !nextCursor) {
+      break
+    }
+  }
+  return {
+    notifications: toReturn,
+    cursor: nextCursor,
+  }
+}
+
 const skeleton = async (
   input: SkeletonFnInput<Context, Params>,
 ): Promise<SkeletonState> => {
@@ -56,11 +106,13 @@ const skeleton = async (
     return { notifs: [], priority }
   }
   const [res, lastSeenRes] = await Promise.all([
-    ctx.hydrator.dataplane.getNotifications({
-      actorDid: viewer,
+    paginateNotifications({
+      ctx,
       priority,
+      reasons: params.reasons,
       cursor: params.cursor,
       limit: params.limit,
+      viewer,
     }),
     ctx.hydrator.dataplane.getNotificationSeen({
       actorDid: viewer,
diff --git a/packages/bsky/tests/views/__snapshots__/notifications.test.ts.snap b/packages/bsky/tests/views/__snapshots__/notifications.test.ts.snap
index 385604e1faa..2e87ea241cf 100644
--- a/packages/bsky/tests/views/__snapshots__/notifications.test.ts.snap
+++ b/packages/bsky/tests/views/__snapshots__/notifications.test.ts.snap
@@ -1263,6 +1263,263 @@ Array [
 ]
 `;
 
+exports[`notification views filters notifications by multiple reasons 1`] = `
+Object {
+  "notifications": Array [
+    Object {
+      "author": Object {
+        "did": "user(0)",
+        "handle": "carol.test",
+        "labels": Array [],
+        "viewer": Object {
+          "blockedBy": false,
+          "followedBy": "record(2)",
+          "following": "record(1)",
+          "muted": false,
+        },
+      },
+      "cid": "cids(0)",
+      "indexedAt": "1970-01-01T00:00:00.000Z",
+      "isRead": false,
+      "labels": Array [],
+      "reason": "reply",
+      "reasonSubject": "record(3)",
+      "record": Object {
+        "$type": "app.bsky.feed.post",
+        "createdAt": "1970-01-01T00:00:00.000Z",
+        "reply": Object {
+          "parent": Object {
+            "cid": "cids(2)",
+            "uri": "record(3)",
+          },
+          "root": Object {
+            "cid": "cids(1)",
+            "uri": "record(4)",
+          },
+        },
+        "text": "indeed",
+      },
+      "uri": "record(0)",
+    },
+    Object {
+      "author": Object {
+        "did": "user(0)",
+        "handle": "carol.test",
+        "labels": Array [],
+        "viewer": Object {
+          "blockedBy": false,
+          "followedBy": "record(2)",
+          "following": "record(1)",
+          "muted": false,
+        },
+      },
+      "cid": "cids(3)",
+      "indexedAt": "1970-01-01T00:00:00.000Z",
+      "isRead": false,
+      "labels": Array [],
+      "reason": "reply",
+      "reasonSubject": "record(4)",
+      "record": Object {
+        "$type": "app.bsky.feed.post",
+        "createdAt": "1970-01-01T00:00:00.000Z",
+        "reply": Object {
+          "parent": Object {
+            "cid": "cids(1)",
+            "uri": "record(4)",
+          },
+          "root": Object {
+            "cid": "cids(1)",
+            "uri": "record(4)",
+          },
+        },
+        "text": "of course",
+      },
+      "uri": "record(5)",
+    },
+    Object {
+      "author": Object {
+        "avatar": "https://bsky.public.url/img/avatar/plain/user(2)/cids(5)@jpeg",
+        "createdAt": "1970-01-01T00:00:00.000Z",
+        "description": "hi im bob label_me",
+        "did": "user(1)",
+        "displayName": "bobby",
+        "handle": "bob.test",
+        "indexedAt": "1970-01-01T00:00:00.000Z",
+        "labels": Array [],
+        "viewer": Object {
+          "blockedBy": false,
+          "followedBy": "record(8)",
+          "following": "record(7)",
+          "muted": false,
+        },
+      },
+      "cid": "cids(4)",
+      "indexedAt": "1970-01-01T00:00:00.000Z",
+      "isRead": false,
+      "labels": Array [
+        Object {
+          "cid": "cids(4)",
+          "cts": "1970-01-01T00:00:00.000Z",
+          "src": "did:example:labeler",
+          "uri": "record(6)",
+          "val": "test-label",
+        },
+        Object {
+          "cid": "cids(4)",
+          "cts": "1970-01-01T00:00:00.000Z",
+          "src": "did:example:labeler",
+          "uri": "record(6)",
+          "val": "test-label-2",
+        },
+      ],
+      "reason": "reply",
+      "reasonSubject": "record(4)",
+      "record": Object {
+        "$type": "app.bsky.feed.post",
+        "createdAt": "1970-01-01T00:00:00.000Z",
+        "embed": Object {
+          "$type": "app.bsky.embed.images",
+          "images": Array [
+            Object {
+              "alt": "../dev-env/src/seed/img/key-landscape-small.jpg",
+              "image": Object {
+                "$type": "blob",
+                "mimeType": "image/jpeg",
+                "ref": Object {
+                  "$link": "cids(6)",
+                },
+                "size": 4114,
+              },
+            },
+          ],
+        },
+        "reply": Object {
+          "parent": Object {
+            "cid": "cids(1)",
+            "uri": "record(4)",
+          },
+          "root": Object {
+            "cid": "cids(1)",
+            "uri": "record(4)",
+          },
+        },
+        "text": "hear that label_me label_me_2",
+      },
+      "uri": "record(6)",
+    },
+    Object {
+      "author": Object {
+        "associated": Object {
+          "chat": Object {
+            "allowIncoming": "none",
+          },
+        },
+        "did": "user(3)",
+        "handle": "dan.test",
+        "labels": Array [],
+        "viewer": Object {
+          "blockedBy": false,
+          "following": "record(10)",
+          "muted": false,
+        },
+      },
+      "cid": "cids(7)",
+      "indexedAt": "1970-01-01T00:00:00.000Z",
+      "isRead": false,
+      "labels": Array [],
+      "reason": "mention",
+      "record": Object {
+        "$type": "app.bsky.feed.post",
+        "createdAt": "1970-01-01T00:00:00.000Z",
+        "embed": Object {
+          "$type": "app.bsky.embed.record",
+          "record": Object {
+            "cid": "cids(8)",
+            "uri": "record(11)",
+          },
+        },
+        "facets": Array [
+          Object {
+            "features": Array [
+              Object {
+                "$type": "app.bsky.richtext.facet#mention",
+                "did": "user(4)",
+              },
+            ],
+            "index": Object {
+              "byteEnd": 18,
+              "byteStart": 0,
+            },
+          },
+        ],
+        "text": "@alice.bluesky.xyz is the best",
+      },
+      "uri": "record(9)",
+    },
+  ],
+  "priority": false,
+  "seenAt": "1970-01-01T00:00:00.000Z",
+}
+`;
+
+exports[`notification views filters notifications by reason 1`] = `
+Object {
+  "notifications": Array [
+    Object {
+      "author": Object {
+        "associated": Object {
+          "chat": Object {
+            "allowIncoming": "none",
+          },
+        },
+        "did": "user(0)",
+        "handle": "dan.test",
+        "labels": Array [],
+        "viewer": Object {
+          "blockedBy": false,
+          "following": "record(1)",
+          "muted": false,
+        },
+      },
+      "cid": "cids(0)",
+      "indexedAt": "1970-01-01T00:00:00.000Z",
+      "isRead": false,
+      "labels": Array [],
+      "reason": "mention",
+      "record": Object {
+        "$type": "app.bsky.feed.post",
+        "createdAt": "1970-01-01T00:00:00.000Z",
+        "embed": Object {
+          "$type": "app.bsky.embed.record",
+          "record": Object {
+            "cid": "cids(1)",
+            "uri": "record(2)",
+          },
+        },
+        "facets": Array [
+          Object {
+            "features": Array [
+              Object {
+                "$type": "app.bsky.richtext.facet#mention",
+                "did": "user(1)",
+              },
+            ],
+            "index": Object {
+              "byteEnd": 18,
+              "byteStart": 0,
+            },
+          },
+        ],
+        "text": "@alice.bluesky.xyz is the best",
+      },
+      "uri": "record(0)",
+    },
+  ],
+  "priority": false,
+  "seenAt": "1970-01-01T00:00:00.000Z",
+}
+`;
+
 exports[`notification views generates notifications for quotes 1`] = `
 Array [
   Object {
diff --git a/packages/bsky/tests/views/notifications.test.ts b/packages/bsky/tests/views/notifications.test.ts
index 560916fd687..ca933d3085e 100644
--- a/packages/bsky/tests/views/notifications.test.ts
+++ b/packages/bsky/tests/views/notifications.test.ts
@@ -417,6 +417,84 @@ describe('notification views', () => {
       ),
     ).toBe(true)
     expect(forSnapshot(notifs.data)).toMatchSnapshot()
+    await agent.api.app.bsky.notification.putPreferences(
+      { priority: false },
+      {
+        encoding: 'application/json',
+        headers: await network.serviceHeaders(
+          sc.dids.carol,
+          ids.AppBskyNotificationPutPreferences,
+        ),
+      },
+    )
+    await network.processAll()
+  })
+
+  it('filters notifications by reason', async () => {
+    const res = await agent.app.bsky.notification.listNotifications(
+      {
+        reasons: ['mention'],
+      },
+      {
+        headers: await network.serviceHeaders(
+          sc.dids.alice,
+          ids.AppBskyNotificationListNotifications,
+        ),
+      },
+    )
+    expect(res.data.notifications.length).toBe(1)
+    expect(forSnapshot(res.data)).toMatchSnapshot()
+  })
+
+  it('filters notifications by multiple reasons', async () => {
+    const res = await agent.app.bsky.notification.listNotifications(
+      {
+        reasons: ['mention', 'reply'],
+      },
+      {
+        headers: await network.serviceHeaders(
+          sc.dids.alice,
+          ids.AppBskyNotificationListNotifications,
+        ),
+      },
+    )
+    expect(res.data.notifications.length).toBe(4)
+    expect(forSnapshot(res.data)).toMatchSnapshot()
+  })
+
+  it('paginates filtered notifications', async () => {
+    const results = (results) =>
+      sort(results.flatMap((res) => res.notifications))
+    const paginator = async (cursor?: string) => {
+      const res = await agent.app.bsky.notification.listNotifications(
+        { reasons: ['mention', 'reply'], cursor, limit: 2 },
+        {
+          headers: await network.serviceHeaders(
+            alice,
+            ids.AppBskyNotificationListNotifications,
+          ),
+        },
+      )
+      return res.data
+    }
+
+    const paginatedAll = await paginateAll(paginator)
+    paginatedAll.forEach((res) =>
+      expect(res.notifications.length).toBeLessThanOrEqual(2),
+    )
+
+    const full = await agent.app.bsky.notification.listNotifications(
+      { reasons: ['mention', 'reply'] },
+      {
+        headers: await network.serviceHeaders(
+          alice,
+          ids.AppBskyNotificationListNotifications,
+        ),
+      },
+    )
+
+    expect(full.data.notifications.length).toBe(4)
+    expect(results(paginatedAll)).toEqual(results([full.data]))
   })
 
   it('fails open on clearly bad cursor.', async () => {