Jeffrey Douglas Foster (born January 16, 1977, in San Antonio, Texas) is an American professional basketball player who currently plays for the Indiana Pacers of the NBA.

He was selected 21st overall by the Golden State Warriors in the 1999 NBA Draft out of Texas State University, but his draft rights were immediately traded to the Pacers in exchange for Vonteego Cummings and a future first-round draft pick.

Foster was part of the Pacers' 1999–2000 Eastern Conference championship team, though he played only 19 games that year as he was fourth on the Pacers' depth chart at center behind Rik Smits, Sam Perkins and Zan Tabak. In his second season he played in 71 games, gaining a spot in the rotation as the Pacers rebuilt for the future. He averaged 3.5 points and a decent 5.5 rebounds per game while averaging only 16.2 minutes per contest.