| Peeter Karu | |
| Birth Date: | 21 September 1909 |
| Birth Place: | Võisiku Rural Municipality, Viljandi County, Estonia |
| Nationality: | Estonian |
| Occupation: | Sport shooter |
| Known For: | Winning medals at the 1939 ISSF World Shooting Championships |
| Notable Works: | Estonian national champion in 1939 |
Peeter Karu (21 September 1909 – 14 April 1942) was an Estonian sport shooter.[1] He was born in Võisiku Rural Municipality, Viljandi County.
He began his shooting career in 1937. He won three medals at 1939 ISSF World Shooting Championships. In 1939 he become Estonian champion. In 1939 he was a member of the Estonian national sport shooting team.