Manjit Singh (born 1 September 1989; also known as Manjit Singh Chahal) is an Indian middle-distance runner who specialises in the 800 metres and 1500 metres events. He represented India at the 2018 Asian Games where he won the gold in the 800 metres event at Jakarta.

Personal life
Manjit was born in Ujhana village, Jind district, Haryana, to Randhir Chahal and Bimala Devi. He grew his passion for athletics from his father only, Randhir who himself was a field athlete, in discus throw and shot put. Manjit is married, have a son, names Abhir with wife Kiran. In his spare time he use to help his father in dairy, cattle and agriculture farming. He had a two-year contract job with ONGC from 2013 to 2016.