David Ethan Graham (born November 10, 1981) is an American professional rock climber.

Graham repeats classic routes or boulder problems as well as performing cutting-edge first ascents.

He is known for climbing in 2005 an 8C (V15) graded boulder problem called The Story of Two Worlds, in Cresciano, Switzerland).

Born in Maine, Graham was introduced to climbing in 1997 by one of his skiing teammates.

Quickly, he became one of the strongest climbers in the United States, before moving to Europe in 2005.