David Hacohen (Hebrew: דוד הכהן; 20 October 1898 – 19 February 1984) was an Israeli politician who served as a member of the Knesset between 1949 and 1953, and again from 1955 until 1969.

After the war he studied law and economics in London, then returned to Mandatory Palestine in the 1920s.

[1] After returning to Palestine he became Director of the Office of Public Works and Planning, which later became a company under the name Solel Boneh.

He was re-elected in 1951 elections but resigned from the Knesset on 1 December 1953 after he was appointed Israeli ambassador to Burma, a post he held until 1955.

During his time as an MK, he was a delegate to the Inter-Parliamentary Union and served on its executive board.