Lars Nieberg (born 24 July 1963 in Wittingen, Lower Saxony) is a German equestrian. He participated in the 1996 and 2000 Olympics in show jumping competition.
Nigberg participated at the 1996 Summer Olympics in Atlanta, where he won a gold medal in Team Jumping, together with Franke Sloothaak, Ulrich Kirchhoff and Ludger Beerbaum.
Nieberg again won a gold medal in Team Jumping at the 2000 Summer Olympics in Sydney, together with Marcus Ehning, Otto Becker and Ludger Beerbaum.