Hasan Ali Khan Garadaghi (Azerbaijani: H?s?n?li xan Qaradagi) or Hasanali khan Karadakhski (Russian: ??????????? ??? ???????????), was an Azerbaijani philologist, writer, poet and teacher.
He is mainly known for his contribution to "Vatan dili" (Mother Language) which was the main textbook for Azerbaijani school children for almost 40 years, from 1882 to 1920.