Owen Ambrose Gallagher (1902–1977) was an American politician who served in both chambers of the Massachusetts General Court and held positions in city and state government.

[1] His father, Daniel J. Gallagher, was a political and legal figure who served as United States Attorney for the District of Massachusetts from 1920 to 1921.

He narrowly won the Democratic primary — defeating his closest opponent, John C. Carr, by 78 votes.

[7][8] In 1950 he was named the director of the Boston Housing Authority's slum clearance and urban renewal program.

[10] On April 19, 1951, Gallagher married Emily L. Couture, a switchboard operator at the Suffolk County Courthouse.