Joseph Henry Hamilton Jr. (January 6, 1929 – June 9, 1991) was an American television producer and actor.

Hamilton appeared in several episodes of The Andy Griffith Show as a bystander who made fun of Deputy Barney Fife (Don Knotts).

Despite the character of Thelma "Mama" Harper's death in the movie, the show centered around Mama, and ran for 30 episodes on NBC (from 1982 to 1984), and subsequently for 100 more episodes in syndicated version, produced independently for Lorimar Telepictures (from 1986 to 1990).

Hamilton won five Emmy Awards, the first for The Garry Moore Show, which featured Burnett.

Hamilton also wrote Burnett's famous theme song, which she sang to end her show each week, “I'm So Glad We Had This Time Together”.