Klaus Gruner (born 22 August 1952 in Frankenhausen, Crimmitschau) is a former East German handball player who competed in the 1980 Summer Olympics.
| Olympic medal record | ||
|---|---|---|
| Men's handball | ||
 | 1980 Moscow | Team |
He was a member of the East German handball team which won the gold medal. He played all six matches and scored three goals.He continues to coach a squad of youth in Hollenstedt,TuS Jahn Hollenstedt including his granddaughter Linnea Gruner.