Mirza Davud Baghir oghlu Huseynov (Azerbaijani: میرزا داود باقر اوغلی حسینوف, Мирзә Давуд Бағыр оғлу Һүсејнов, Mirzə Davud Bağır oğlu Hüseynov; Russian: Мирза Давуд Багир оглы Гусейнов), also spelled Husseynov or Huseinov (March 1894 – March 21, 1938), was an Azerbaijani revolutionary and statesman.

[2] In 1920, he married Tamara Khoyskaya (1902—1990), daughter of the Prime Minister of the deposed Azerbaijan Democratic Republic government Fatali Khan Khoyski.

After the establishment of Azerbaijan SSR, Huseynov became the Chairman of the Provisional Military-Revolutionary Committee from April 28, 1920, to May 16 of the same year.

During the Great Purge, Mirza Davud was arrested, accused of plotting against the Soviet state, sentenced to death, and executed on March 21, 1938.

Huseynov authored two books during his career: Musavat in the past and present, published in 1920 and Main points of progress of Azerbaijan Communist Party.