John Hou Sæter (born 13 January 1998), also known by his Chinese name Hou Yongyong (Chinese: 侯永永; pinyin: Hóu Yǒngyǒng), is a professional footballer who plays as a midfielder for Chinese Super League club Beijing Guoan. Sæter has represented Norway at several youth levels; however, he was naturalized as a Chinese citizen in 2019.