A Square Crank is a tool used to manually turn an axle.
It may refer to:
- Square Crank - a key item in Resident Evil.
- Square Crank - a key item in Resident Evil.
- Square Crank - a key item in the Resident Evil 2 remake.
- Square Crank - a key item in Resident Evil 3: Nemesis.
- Square Crank - a special item in Resident Evil: The Umbrella Chronicles.