Lalinrat Chaiwan (Thai: ลลินรัตน์ ไชยวรรณ; born Pattarasuda Chaiwan (Thai: ภัทรสุดา ไชยวรรณ), 21 February 2001) is a Thai badminton player. She has shown her talent as a badminton player in the junior event tournament. She changed her first name to Phittayaporn (Thai: พิทยาภรณ์) after visiting a temple for prayers for a brighter career in badminton.[1] She was crowned champion at the Grand Prix junior tournament in 2017 India and 2018 German, also occupied the girls' singles number 1 in the BWF World Junior Ranking.[2]
Born in Lampang Province, Chaiwan was the silver medalist at the 2017 Asian Junior Championships, where she was before won the Junior U–15 Championships in 2015, and U–17 in 2016.[3] She was part of the national team that won the gold medal at the 2017 SEA Games in the women's team event.[4] She represented her country at the 2018 Summer Youth Olympics in Buenos Aires, Argentina, won a bronze medal in the girls' singles event.[5]