Jay Underwood (gebore 1 Oktober 1968) is 'n Amerikaanse akteur. Hy is bekend vir sy rolle in die rolprente The Boy Who Could Fly (1986) en Uncle Buck (1989). 1986: The Boy Who Could Fly 1988: The Invisible Kid 1989: Uncle Buck 1990: The Gumshoe Kid 1994: The Fantastic Four 1994: Stalked 1995: A Reason to Believe 1996: The Dark Mist 1998: Fatal Affair 1999: Valerie Flake 1999: Dead Dogs 2010: No Greater Love 1987: Not Quite Human 1989: Not Quite Human II 1996: In the Fold 1999: And the Beat Goes On: The Sonny and Cher Story 1999: The Adventures of Young Indiana Jones: Tales of Innocence Jay Underwood in die Internet-rolprentdatabasis