Balbir Singh Kular is an Indian field hockey player and a Punjab Police officer. Alternative spellings of his last name include Kullar and Khullar. He was born on 8 August 1942 in Sansarpur, India. He was the captain of the All India Schools during 1957-1960, and also played as part of the Combined University Team. At the national-level, he represented the hockey teams of Punjab State, Indian Railways and Punjab Police. For a brief time, he also played for the little-known hockey team of Mohun Bagan. Balbir Singh joined the Punjab Armed Police in 1962, and became an Assistant Sub-Inspector of the Punjab Police in 1963. 

As part of the Indian national men's hockey team, he played his first international game in 1963 at Lyons in France. He gained reputation as an inside forward in the Indian team, and toured Belgium, East Africa, East Germany, England, the Netherlands, Italy, Kenya, New Zealand and West Germany. He was a member of the Indian team that won the Asian Games Gold in 1966 (Bangkok) and the Olympic Bronze in 1968 (Mexico). During 1968-1975, Balbir Singh was a part of the All India Police team, and also served as its captain for some time. He became the Deputy Superintendent of Police in 1981, became an Indian Police Service officer in 1987. In 1999, he received the Arjuna Award. He retired as a Deputy Inspector General (DIG) in February 2001.