Mammadbaghir Saleh oglu Sheykhzamanli (Azerbaijani: Məmmədbağır Saleh oğlu Şeyxzamanlı; 1880–1920) was a first head of the organization for Combating Counterrevolution - Azerbaijani special services.

[1] Mammadbaghir Sheykhzamanli was born in 1880 in the Elisabethpol, the present-day Ganja, Azerbaijan.

In June 1919 he was appointed the head of Organization for Combating Counterrevolution established by the national government of Azerbaijan Democratic Republic.

After working for a while, Sheikhzamanli was dismissed from his post in August 1919, in connection with his political activities as a member of the Musavat Party in the first cabinet of Azerbaijan Democratic Republic.

[2] As a Member of Parliament, Sheykhzamanli participated in the discussion of some important public issues, including the draft laws and resolutions.