Joseph Gallup Cochran (1817–1871) was an American Presbyterian missionary to Qajar Iran, as well as a minister, theologian, teacher, and translator of ancient Syriac texts.

[2] His father Samuel Cochran was Scottish and immigrated to the United States in the early 19th century, eventually becoming a founder of the town of Springville.

[2] Shortly following his completion of studies, Cochran married Deborah Wilson Plumb in 1847 and they started the process to move to Qajar Iran under the sponsorship of the American Board of Commissioners for Foreign Missions (ABCFM).

[2] Cochran died on 2 November 1871 of typhoid fever in Urmia,[2] and is buried at the American Mission Graveyard in the town of Seer.

[4] His son, Joseph Plumb Cochran, was a medical doctor and continued his missionary work in the West Azerbaijan Province.