Zhou Yilin (Chinese: 周義霖; pinyin: Zhōu Yī lín; born 18 September 1992) is a Chinese competitive swimmer who specializes in sprint freestyle and butterfly events.

[1] At the 2014 Asian Games in Incheon, South Korea, Zhou was part of the Chinese team which won gold in the women's 4 × 100 m freestyle relay.

Zhou competed in the heats, where she swam her leg in 56.29 seconds.

[2] At the 2016 Summer Olympics in Rio de Janeiro, Brazil, Zhou is competing in the women's 200 metre butterfly.

She won the first semifinal with a time of 2:06.52 to qualify for Wednesday's final.