Hou Sen (Chinese: 侯森; pinyin: Hóu Sēn; born 30 June 1989) is a Chinese professional footballer who plays as a goalkeeper for Chinese Super League club Beijing Guoan.

Hou started his football career in 2009 when he was promoted to Beijing Guoan's first team squad. He played as a back-up goalkeeper for Yang Zhi and Zhang Sipeng. He became the first-choice goalkeeper of Beijing Guoan in the beginning of 2012 season as Yang Zhi injured in the 2012 Guangdong–Hong Kong Cup.^[1] On 6 March 2012, he made his senior debut in the first round of 2012 AFC Champions League group stage which Beijing Guoan lost to Ulsan Hyundai 2–1. Four days later, he made his Chinese Super League debut in a 3-1 away defeat against newly promoted Guangzhou R&F. On 8 April 2012, he kept his first clean sheet in a 0-0 away draw at Dalian Shide. Hou returned to the bench after Yang Zhi recovered from injury in July.

Under the Head coach Roger Schmidt, Hou would re-emerge and fight for the first-choice goalkeeper position with Guo Quanbo. He would go on to be in the starting line-up against Shandong Luneng Taishan as he won his first piece of silverware, with the 2018 Chinese FA Cup.^[2] While Zou Dehai was brought in the following season as the clubs first choice goalkeeper, Hou would once again establish himself as an integral member of the team and on 29 October 2022, Hou made his 100th appearance for Guoan in a 4-1 win against Guangzhou F.C.^[3]

Statistics accurate as of match played 13 April 2024.^[4]