John Albert Beckman (October 22, 1895, in New York, NY – June 22, 1968, in Miami, Florida) was a professional basketball player. During his 27 years lasting pro career (1914–41) he was known as the "Babe Ruth of basketball". He is mostly known for his time with the Original Celtics (1918/19, 1921–27, 1929). He was enshrined in the Naismith Memorial Basketball Hall of Fame in 1973.