diff --git a/CHANGELOG.md b/CHANGELOG.md
index e037bb59..7bdb0182 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -28,6 +28,12 @@ and this project adheres to
 [#1291]: https://github.com/cosmos/cosmjs/issues/1291
 [#1329]: https://github.com/cosmos/cosmjs/pull/1329
 
+### Added
+- @cosmjs/stargate: Add `granteeGrants` and `granterGrants` queries to
+  `AuthzExtension` ([#1308]).
+
+[#1308]: https://github.com/cosmos/cosmjs/pull/1308
+
 ## [0.29.5] - 2022-12-07
 
 ### Fixed
diff --git a/packages/stargate/src/modules/authz/queries.spec.ts b/packages/stargate/src/modules/authz/queries.spec.ts
index db516ef1..22c73ac3 100644
--- a/packages/stargate/src/modules/authz/queries.spec.ts
+++ b/packages/stargate/src/modules/authz/queries.spec.ts
@@ -12,6 +12,7 @@ import {
   faucet,
   makeRandomAddress,
   pendingWithoutSimapp44Or46,
+  pendingWithoutSimapp46,
   simapp,
   simapp44Enabled,
   simapp46Enabled,
@@ -95,7 +96,63 @@ describe("AuthzExtension", () => {
       // Decode the message
       const msgDecoded = GenericAuthorization.decode(grant.authorization.value).msg;
 
-      // Check if its the same one then we granted
+      // Check if it's the same one then we granted
+      expect(msgDecoded).toEqual(grantedMsg);
+
+      tmClient.disconnect();
+    });
+  });
+
+  describe("granter grants", () => {
+    it("works", async () => {
+      pendingWithoutSimapp46();
+      const [client, tmClient] = await makeClientWithAuthz(simapp.tendermintUrl);
+      const response = await client.authz.granterGrants(granter1Address);
+      expect(response.grants.length).toEqual(1);
+      const grant = response.grants[0];
+
+      // Needs to respond with a grant
+      assertDefined(grant.authorization);
+
+      // Needs to have the correct granter and grantee
+      expect(grant.granter).toEqual(granter1Address);
+      expect(grant.grantee).toEqual(grantee1Address);
+
+      // Needs to be GenericAuthorization to decode it below
+      expect(grant.authorization.typeUrl).toEqual("/cosmos.authz.v1beta1.GenericAuthorization");
+
+      // Decode the message
+      const msgDecoded = GenericAuthorization.decode(grant.authorization.value).msg;
+
+      // Check if it's the same one then we granted
+      expect(msgDecoded).toEqual(grantedMsg);
+
+      tmClient.disconnect();
+    });
+  });
+
+  describe("grantee grants", () => {
+    it("works", async () => {
+      pendingWithoutSimapp46();
+      const [client, tmClient] = await makeClientWithAuthz(simapp.tendermintUrl);
+      const response = await client.authz.granteeGrants(grantee1Address);
+      expect(response.grants.length).toEqual(1);
+      const grant = response.grants[0];
+
+      // Needs to respond with a grant
+      assertDefined(grant.authorization);
+
+      // Needs to have the correct granter and grantee
+      expect(grant.granter).toEqual(granter1Address);
+      expect(grant.grantee).toEqual(grantee1Address);
+
+      // Needs to be GenericAuthorization to decode it below
+      expect(grant.authorization.typeUrl).toEqual("/cosmos.authz.v1beta1.GenericAuthorization");
+
+      // Decode the message
+      const msgDecoded = GenericAuthorization.decode(grant.authorization.value).msg;
+
+      // Check if it's the same one then we granted
       expect(msgDecoded).toEqual(grantedMsg);
 
       tmClient.disconnect();
diff --git a/packages/stargate/src/modules/authz/queries.ts b/packages/stargate/src/modules/authz/queries.ts
index 9c548e6f..0dd2b53b 100644
--- a/packages/stargate/src/modules/authz/queries.ts
+++ b/packages/stargate/src/modules/authz/queries.ts
@@ -1,4 +1,9 @@
-import { QueryClientImpl, QueryGrantsResponse } from "cosmjs-types/cosmos/authz/v1beta1/query";
+import {
+  QueryClientImpl,
+  QueryGranteeGrantsResponse,
+  QueryGranterGrantsResponse,
+  QueryGrantsResponse,
+} from "cosmjs-types/cosmos/authz/v1beta1/query";
 
 import { createPagination, createProtobufRpcClient, QueryClient } from "../../queryclient";
 
@@ -10,6 +15,14 @@ export interface AuthzExtension {
       msgTypeUrl: string,
       paginationKey?: Uint8Array,
     ) => Promise<QueryGrantsResponse>;
+    readonly granteeGrants: (
+      grantee: string,
+      paginationKey?: Uint8Array,
+    ) => Promise<QueryGranteeGrantsResponse>;
+    readonly granterGrants: (
+      granter: string,
+      paginationKey?: Uint8Array,
+    ) => Promise<QueryGranterGrantsResponse>;
   };
 }
 
@@ -22,14 +35,24 @@ export function setupAuthzExtension(base: QueryClient): AuthzExtension {
   return {
     authz: {
       grants: async (granter: string, grantee: string, msgTypeUrl: string, paginationKey?: Uint8Array) => {
-        const response = await queryService.Grants({
+        return await queryService.Grants({
           granter: granter,
           grantee: grantee,
           msgTypeUrl: msgTypeUrl,
           pagination: createPagination(paginationKey),
         });
-
-        return response;
+      },
+      granteeGrants: async (grantee: string, paginationKey?: Uint8Array) => {
+        return await queryService.GranteeGrants({
+          grantee: grantee,
+          pagination: createPagination(paginationKey),
+        });
+      },
+      granterGrants: async (granter: string, paginationKey?: Uint8Array) => {
+        return await queryService.GranterGrants({
+          granter: granter,
+          pagination: createPagination(paginationKey),
+        });
       },
     },
   };