Louis Herman "Red" Klotz (October 21, 1920 – July 12, 2014) was an American professional basketball player.
He was a National Basketball Association (NBA) point guard with the original Baltimore Bullets, and he was best known for forming the teams that play against and tour with the Harlem Globetrotters: the Washington Generals and the New York Nationals.
He was the oldest-living NBA world champion.
Over Klotz's professional basketball career, he coached or played in over 14,000 games during eight decades and in over 100 countries.