| Friedrich Karst | |
| Birth Date: | 4 September 1893 |
| Birth Place: | Deutsch-Eylau, West Prussia |
| Allegiance: | (to 1918) (to 1933) |
| Branch: | Army (Wehrmacht) |
| Serviceyears: | 1912–45 |
| Rank: | Generalleutnant |
| Commands: | 95 Infantry Division 262 Infantry Division Division Nr. 466 |
| Battles: | World War IWorld War II |
| Awards: | Knight's Cross of the Iron Cross |
Friedrich Karst (4 September 1893 – 18 October 1975) was a general in the Wehrmacht of Nazi Germany during World War II who commanded several divisions. He was a recipient of the Knight's Cross of the Iron Cross.