| Thomas F. August | |
| Office: | 31st Mayor of Somerville, Massachusetts |
| Term Start: | January 1978 |
| Term End: | January 1980 |
| Office2: | Member of the Somerville, Massachusetts Board of Aldermen Ward 1 |
| Office3: | Member of the Somerville, Massachusetts School Committee Ward 1 |
| Birth Date: | December 17, 1926 |
| Birth Place: | Cambridge, Massachusetts |
| Death Place: | Salem, Massachusetts |
| Restingplace: | Mount Auburn Cemetery, Cambridge, Massachusetts |
| Nationality: | American |
| Alma Mater: | Boston University |
| Allegiance: | United States of America |
| Rank: | Chief Pharmacists Mate |
| Battles: | World War II Korean War |
Thomas F. August (December 17, 1926 – March 9, 2005) was a Massachusetts attorney and politician who served as the 31st Mayor of Somerville, Massachusetts. August lost re-election in a three-way race with Eugene C. Brune, who won by 2,400 votes, and Michael E. Capuano, who succeeded Brune.
August was the son of John and Margaret (Reidy) August.
August was a graduate of Boston University and its Boston University School of Law.
During World War II and the Korean War, August served as a Chief Pharmacists Mate in the U.S. Navy.
August died on March 9, 2005, in Salem, Massachusetts, and was buried at Mount Auburn Cemetery in Cambridge, Massachusetts.