Gerald Tommaso DeLouise (April 30, 1940 – October 8, 2023), known professionally as Burt Young, was an American actor. He played Rocky Balboa's brother-in-law and best friend Paulie Pennino in the Rocky film series, his performance in the first installment of which earned him a nomination for the Academy Award for Best Supporting Actor.

Young also appeared in such films as Chinatown (1974), The Gambler (1974), The Killer Elite (1975), Convoy (1978), Uncle Joe Shannon (1978), Once Upon a Time in America (1984), The Pope of Greenwich Village (1984), A Summer to Remember (1985), Back to School (1986), Last Exit to Brooklyn (1990), Mickey Blue Eyes (1999), Transamerica (2005), Win Win (2011), and Bottom of the 9th (2019).