Ajay Singh (born 17 April 1997) is an Indian weightlifter who competes in the 81 kg weight class. He is a two-time Commonwealth Championships gold medalist. Singh lifted a total of 322 kg and also set a national record in Snatch round of 146 kg in 2021 Tashkent.
In 2023, he won the gold medal in the men's 81 kg category at the 2023 Commonwealth Weightlifting Championships held at Noida.