French Stewart (born Milton French Stewart IV) is an American actor and voice actor. He is best known for his role as Harry Solomon on the 1990s sitcom 3rd Rock from the Sun, as well as his roles as Marv Murchins in Home Alone 4, Inspector Gadget in Inspector Gadget 2, and Chef Rudy on the CBS sitcom Mom.

Stewart toured in regional theatre for seven years before breaking into television with the role of Razor Dee, a spaced-out DJ on the final season of The New WKRP in Cincinnati in 1992. In 1996, he was cast on 3rd Rock from the Sun, which lasted for six seasons, and where Stewart was noted for his talents at physical comedy and his characteristic "squinting" facial expression. During 3rd Rock's height of popularity, he appeared in numerous commercials and as a spokesperson for the beverage Clamato. His major film credits include Stargate (1994), Leaving Las Vegas (1995), The Poison Tasters (1995), Magic Island (1995) Glory Daze (1996), McHale's Navy (1997), Love Stinks (1999), Clockstoppers (2002), and Wedding Daze. His animation credits include the voice of Bob in the short-lived animated series God, the Devil and Bob (2000), and as Icarus in Disney's animated series Hercules (1998).