| Operation Doppelschlag | |
|---|---|
 Admiral Scheer, photographed in early 1942 | |
| Type | Sortie |
| Location | |
| Planned | 1942 |
| Planned by | Kriegsmarine |
| Commanded by | |
| Target | Convoy PQ 18 |
| Outcome | Cancelled |
Operation Doppelschlag (Operation Double Blow/Unternehmen Doppelschlag) was a German plan for a sortie in 1942 during the Second World War into the Arctic Ocean by the Kriegsmarine. The operation followed Unternehmen Rösselsprung, against Convoy PQ 17 in July 1942 to attack Convoy PQ 18 the next Arctic convoy of the Western Allies.