Im Na-yeon (Korean: 임나연; born September 22, 1995), known mononymously as Nayeon, is a South Korean singer. She rose to prominence as a member of the South Korean girl group Twice, created by JYP Entertainment through the reality television show Sixteen (2015).

Nayeon released her eponymous debut extended play (EP), Im Nayeon, in June 2022. It peaked at number one on South Korea's Circle Album Chart and number seven on the US Billboard 200, making her the first South Korean soloist in history to enter the latter chart's top 10. The lead single, "Pop!", reached number two on the Circle Digital Chart in South Korea and the top ten in six countries. In 2024, Nayeon earned her second number-one entry on the Circle Album Chart and top-ten entry on the US Billboard 200 with her second extended play Na.