Jack Nies (pronounced niece) (born November 11, 1937) is a retired National Basketball Association (NBA) referee. Nies officiated 2,046 regular-season games throughout his 31-year career, and wore uniform number 35. In addition, Nies oversaw 150 playoff games, 10 NBA Finals games, two NBA All-Star Games (1996 and 2005), and the 1987 Legends Classic. Internationally, he was part of the referee crew for the 1994 Mexico Challenge and the 1997 McDonald's Championship; 2007 Istanbul, Turkey; Malaga and Madrid Spain—NBA Preseason Games Nies retired from the NBA following the 2008–09 season.