Pyruvate dehydrogenase is a type of enzyme.

Pyruvate dehydrogenase may specifically refer to: Pyruvate dehydrogenase (cytochrome) Pyruvate dehydrogenase (lipoamide) alpha 1 Pyruvate dehydrogenase (lipoamide) alpha 2 Pyruvate dehydrogenase (lipoamide) beta Pyruvate dehydrogenase (quinone) Pyruvate dehydrogenase (NADP+)