Gregory Lamont Vaughn (born July 3, 1965) is a former Major League Baseball left fielder who played for the Milwaukee Brewers (1989–96), San Diego Padres (1996–98), Cincinnati Reds (1999), Tampa Bay Devil Rays (2000–02) and Colorado Rockies (2003).
He was born in Sacramento, California, where he attended Kennedy High School.
He then played baseball at the University of Miami.
He is the cousin of fellow former Major Leaguer Mo Vaughn.