Thomas M. Boswell (born October 11, 1947 in Washington, D.C.) is an American sports columnist.
Boswell has spent his entire career at the Washington Post, joining it shortly after graduating from Amherst College in 1969. He became a Post columnist in 1984. Writing primarily about baseball, he is credited with inventing the total average statistic. In 1994 he appeared several times in the Ken Burns series Baseball sharing insightful commentary into the history of America's national pastime.
- How Life Imitates the World Series (1982)
- Why Time Begins on Opening Day (1984)
- Strokes of Genius (1987)
- The Heart of the Order (1989)
- Game Day: Sports Writings 1970-1990 (1990)
- Cracking the Show (1994)
- Diamond Dreams (with Walter Iooss) (1996)
Best sports journalism, 1981, the American Society of Newspaper Editors.
- "Total Average". Baseball-Reference.com. Retrieved January 3, 2012.