David "Dudi" Sela (Hebrew: דודי סלע; born April 4, 1985, in Kiryat Shmona, Israel) is an Israeli professional tennis player.

Sela reached a career-high singles ranking of # 29 in July 2009. He is currently Israel's top men's singles player, ahead of Harel Levy and Noam Okun. He is right-handed, and at 5' 8½" he is one of the shortest players on the tour.

As a 17-year-old junior, he won the 2003 French Open boys' doubles championship with his doubles partner. His peak junior rankings were # 12 in singles, and # 16 in doubles. Representing Israel in the Davis Cup, his highlight has been an upset win in 2007 over world # 7 Fernando González. In 2008 he beat world # 5 David Ferrer in straight sets. In 2009, through June he had won seven matches against players ranked in the top 50 in the world.