Moses Mortimer Barrett III (born July 22, 1973), known by the stage name Petey Pablo, is an American rapper from Greenville, North Carolina.

Born in Greenville, North Carolina, Barrett spent five years in prison for a 1993 armed robbery and on his release moved to New York City, where he met Black Rob and Busta Rhymes, and, according to rumor, was signed by the A&R director of Jive Records after hearing him rapping in a club bathroom.