He Junyi (, born 2 August 1997) is a Chinese swimmer and a national record holder in swimming.
He represented China at the 2018 Asian Games, which was his first appearance at the Asian Games, and claimed the gold medal in the men's 4 ÃÂ 100 m medley relay event.
He competed for China at the 2019 World Aquatics Championships, and he also took part at the 2019 Military World Games and claimed five medals in the swimming event, including a gold in the men's 4 ÃÂ 200m freestyle relay event.