Pang Sheng Jun (born 4 September 1992) is a Singaporean former national swimmer.

Pang started swimming from the age of four upon doctor's recommendation due to his asthma.

Disappointed at his poor showing, Pang attempted suicide by attempting leaping off the highest floor of his apartment building at the Games Village but was held back by his teammate and friend, Russell Ong.

[3][4] At the 2012 Southeast Asian Swimming Championships, he won the gold medal at the men's 4 × 200 m freestyle.

[3] At the 2015 SEA Games, he won the gold medal at the men's 4 × 200 m freestyle again and broke the national record.