Sada Molly Jacobson[2] (born February 14, 1983) is an American Olympic fencer.

[14] She has been coached by Arkady Burdan of Nellya Fencers, and Henry Hartunian at Yale.

[15][3] She won an NCAA Championship and earned 1st-team All-America honors as a freshman at Yale, after a 30–0 regular season.

[17] Jacobson won the gold medal in sabre at the 2003 Pan American Games.

[18][16] Jacobson won the US women's sabre championship in 2004 (beating her sister in the final) and 2006.

1 in the world in sabre, and only the second U.S. athlete to claim the title, after male fencer Keeth Smart.

[28][29][5] She and Brendan Brunelle Bâby, who graduated from Pennsylvania State University where he competed in épée and was a member of three NCAA championship teams, were married in May 2009 in Atlanta at the Nellya Fencers Club, where she had trained for both the 2004 and 2008 Summer Olympics.