Lin Chia-yu (Chinese: 林家佑; pinyin: Lín Jiāyòu; Wade–Giles: Lin Chia-yu; born 30 June 1993) is a Taiwanese badminton player.

[1] In 2011, he won the gold medal at the Asian Junior Championships in the men's doubles event partnered with Huang Po-jui.

[2] He also won the silver medal at the World Junior Championships.

[3] He is married to former doubles partner Hsu Ya-ching.

[4] Boys' doubles Boys' doubles The BWF Grand Prix had two levels, the BWF Grand Prix and Grand Prix Gold.