Napasorn Wirayutthavilai (, ; born 20 January 1997), nicknamed Puimek (), is a Thai actress, singer, and licensed medical doctor. She gained recognition for her performances in several popular Thai television series, including Turn Left Turn Right (2020) as Earn, ' (2020) and ' (2020) as Mon, My Dear Loser: Edge of 17 (2017-18) as Ainam, and SOTUS S (2017-18) as Khao Fang.
Napasorn was born in Bangkok, Thailand. In her teens, she started her career as an actress in several music videos and series. Besides working as a full-time actress, Napasorn has also been busy with her studies. She finished and graduated high school at Rajini School and graduated at Rangsit University at the College of Medicine and currently training at Rajavithi Hospital.
Napasorn began her stint in the entertainment industry by shooting and acting on several music videos. In 2017, she debuted as a television actress in the series U-Prince: The Badly Politics as one of the main characters, Princess Karin. In 2023, she joined LOVEiS Entertainment after her contract with GMMTV expired.