| Bishambar singh | |
| Birth Date: | 1 October 1940 |
| Birth Place: | Bahipur, Uttar Pradesh, India |
| Height: | 156 cm |
| Weight: | 57 kg |
| Sport: | Freestyle wrestling |
| Club: | Indian Railways |
| Show-Medals: | yes |
Bishambar Singh (also Bishamber, 1 October 1940 – 2004) is a retired Indian bantamweight wrestler. In 1966 he won a gold medal at the Commonwealth Games and a bronze at the Asian Games, both in freestyle wrestling. Next year he won a silver medal at the world championships, he is the 1st Indian who won the Silver medal in world wrestling championship. He competed at the 1964 and 1968 Olympics in freestyle and Greco-Roman divisions with the best result of sixth place in freestyle in 1964. The same year he received the Arjuna Award. He should not be confused with fellow wrestlers Bhim Singh and Bishwanath Singh who competed in the same period, but in heavyweight categories.