Tom Gallagher is an American politician, activist, author, and educator who served as a member of the Massachusetts House of Representatives for the 1st Suffolk district, which includes Allston–Brighton, from 1980 to 1986.

After relocating to San Francisco, Gallagher had launched an unsuccessful campaign for California's 12th congressional district in 2020.

[3][4] Gallagher ran unsuccessfully for the Massachusetts House of Representatives in 1978, losing narrowly to a 14-year incumbent.

[4] After leaving office, Gallagher relocated to San Francisco and became involved in local progressive politics.

Gallagher was a candidate for California's 12th congressional district in 2020, campaigning as a progressive alternative to Nancy Pelosi.