Sarah Kaufman (born September 20, 1985) is a Canadian mixed martial artist. She competes in the 135-pound women’s bantamweight category. Kaufman was the first Strikeforce Women’s Bantamweight Champion and was also the first and only Hardcore Championship Fighting Women’s Bantamweight Champion. She competes in the UFC women’s bantamweight division.

Kaufman is the #7-ranked pound-for-pound female MMA fighter in the world by and the #4-ranked 135-pound female fighter according to the Unified Women’s MMA Rankings. As of May 26, 2014, she is #5 in official UFC women’s bantamweight rankings.