Im Na-yeon (born September 22, 1995), better known mononymously as Nayeon, is a South Korean singer.
After participating in the reality survival television show Sixteen in 2015, she became a singer in the South Korean girl group Twice formed by JYP Entertainment.
Nayeon has been described as one of Twice's lead vocalists and dancers, and often takes the position of "center" during dances.
Nayeon is the oldest member of Twice.
For two years in a row (2017 and 2018), she was voted the sixth most popular Korean idol in Gallup Korea's annual music poll.