Paul DeMayo (September 12, 1967 – June 2, 2005) was an American IFBB professional bodybuilder.

DeMayo appeared in many fitness and magazine articles, including being featured on the cover of Iron Man.

[4] According to people close to him,[5] DeMayo's problems started when his wife left him and he returned to Boston after he moved to California with her to train in Gold's Gym.

He then was signed to an endorsement contract by sports nutritional supplement company Met-Rx and forced to compete in the 1995 Mr. Olympia against his wishes.

DeMayo spent two years in the Billerica House of Correction (Middlesex County Jail) for shooting his gun in the air after an argument with his girlfriend and possession of percodan.