| Birth Date: | 28 October 1940 |
| Birth Place: | Dittelsdorf, Germany |
| Death Date: | 28 February 2012 (aged 71) |
| Height: | 1.72m (05.64feet) |
| Weight: | 82kg (181lb) |
| Sport: | Weightlifting |
| Club: | SG Robur Zittau |
| Show-Medals: | yes |
Karl Arnold (28 October 1940 – 28 February 2012) was a German light-heavyweight weightlifter. He finished in eighth and fifth place at the 1964 and 1968 Summer Olympics, respectively, and won a bronze medal at the 1968 European Championships.