David Witt (born June 2, 1973) is an American tennis coach and former professional player.

[2] His closest career win on the main tour was in the U.S. Men's Clay Court Championships in Birmingham, Alabama, where he and Brian MacPhie were runners-up in the doubles in 1994.

He did win two challenger-level events in his career: Guadalajara, Mexico in 1992 and the Levene Gouldin & Thompson Tennis Challenger at Binghamton, New York in 1997.

In 2002, while working as the resident pro at the Deerwood Country Club in Jacksonville, Florida, Witt was approached by the Williams sisters to act as a hitting partner during their participation at the Bausch & Lomb Championships at nearby Amelia Island.

In March 2024, Witt began coaching Maria Sakkari,[9] and five months later, in July he started collaboration with Frances Tiafoe.