BCKDH

BCKDH may refer to:
 * (3-methyl-2-oxobutanoate dehydrogenase (2-methylpropanoyl-transferring))-phosphatase, an enzyme
 * 3-methyl-2-oxobutanoate dehydrogenase, an enzyme
 * Branched-chain α-keto acid dehydrogenase complex, a complex of enzymes