Fedorchuk is a surname of the Ukrainian origin. It is associated with the given Christian name of Theodore and its derivatives may include Fedoruk and Fedorenko.
It may refer to:
- Dean Fedorchuk, Canadian ice hockey coach
- Valeriy Fedorchuk, Ukrainian footballer
- Vitaly Fedorchuk, Soviet political leader
- Sergey Fedorchuk, Ukrainian chess player