Sada Jacobson (born February 14, 1983), from Dunwoody, Georgia, is a fencer. In 2003, she became the first U.S. woman to be ranked No. 1 in the world in sabre (and only the second U.S. athlete to nab the top spot, after male fencer Keeth Smart). In 2004, she took a leave of absence from Yale University and qualified for the U.S. Olympic team in the first year women's individual sabre was contested at an Olympic Games. She won the bronze medal in a match contested before the gold-silver duel, and thus became the first women's sabre Olympic medalist.

She is the sister of fellow U.S. Olympic team fencer Emily Jacobson .