Yu Hai (Chinese: 于海; pinyin: Yú Hǎi; born 4 June 1987) is a Chinese footballer who currently plays for Shanghai SIPG in the Chinese Super League.
Yu Hai started his football career with Shaanxi Chanba in the 2004 season and he made his debut for the club on 16 May 2004 in a 2-2 draw against Qingdao Etsong. Despite predominately playing as a substitute throughout the season, he played a significant part in Shaanxi's third place finish at the end of the season. By the following 2005 season, he established as a player with rising potential within the team and was starting in considerably more games within the team.
Before the start of the 2006-07 season, Yu transferred to Eredivisie side Vitesse where he would make his debut for the club on 18 March 2007 in a 2-0 loss against FC Utrecht. His time at Vitesse proved unsuccessful as he was unable to establish himself within the team. He was released from Vitesse after the 2008 Summer Olympics due to cruciate ligament damage in his left knee which he suffered in July 2008.