Sayyid Yahya Murtuza mosque (Azerbaijani: Seyid Yahya Murtuza məscidi) or Hazrat Ali mosque (Azerbaijani: Həzrət Əli məscidi) is a historical mosque of the 17th century. It is a part of Old City and located on Asaf Zeynalli street, in the city of Baku, in Azerbaijan. The building was also registered as a national architectural monument by the decision of the Cabinet of Ministers of the Republic of Azerbaijan dated August 2, 2001, No. 132.