Mark Letestu (born February 4, 1985, in Elk Point, Alberta), is a Canadian professional ice hockey player currently with the Pittsburgh Penguins organization. Letestu played three season of junior hockey with the Bonnyville Pontiacs of the Alberta Junior Hockey League, before playing one season at Western Michigan of the Central Collegiate Hockey Association. During the 2005–06 season with the Pontiacs, Letestu led the AJHL in scoring with 105 points (50 goals, 55 assist) in 58 games and was named the league's most valuable player. While at Western Michigan during the 2006–07 season, Letestu was the sixth in goals, fourteenth in points, and first in the NCAA with five short handed goals.