Antoine Devon Walker (born August 12, 1976) is an American retired professional basketball player. He was drafted with the sixth overall pick in the 1996 NBA Draft out of the University of Kentucky and played in the NBA from 1996 to 2008. Walker played for the Celtics, Mavericks, Hawks, Heat, Timberwolves, Grizzlies, the BSN's Mets and the NBA D-League's Stampede before retiring from basketball in 2012. Walker, a three-time NBA All-Star, won an NCAA championship with Kentucky in 1996 and an NBA championship with the Miami Heat in 2006.
Walker attended Mount Carmel High School, in Chicago, where he played with future NFL quarterback Donovan McNabb and attained all-state status as a senior, earning a full scholarship to play for Rick Pitino at the University of Kentucky. He was a starting forward on the Wildcats' 1996 NCAA Men's Division I Basketball Championship Game-winning team. As a freshman at Kentucky he was named SEC Tournament MVP. In his sophomore year, Walker was named All-SEC First, All-SEC Tournament and to the All-NCAA Regional Teams.