Gregory "Greg" Baker (born April 16, 1968 in Saint Paul, Minnesota) is an American television and film, actor and musician.

He is perhaps best known for his recurring roles as Elliott, a producer on the show Sports Night, a security guard in Lizzie McGuire, Mr. Corelli, Miley Stewart's history teacher on Hannah Montana, and his main lead role, Burger Pitt, on I'm in the Band.