List of Famous people who are 31

Denise Ramsden is a Canadian road bicycle racer. She competed at the 2012 Summer Olympics in the women's road race, finishing 27th and in the women's time trial finishing 19th.

Sattawat Pongnairat is an American badminton player who competed at 2016 Summer Olympics in Rio de Janeiro, Brazil. He trained at the Orange County Badminton club, and in 2015, he won a gold medal in men's doubles with teammate Phillip Chew at the Pan American Games.

Yamato Fujita is a Japanese softball pitcher for the Japan women's national softball team. She represented Japan at the 2020 Summer Olympics and won a gold medal.

Patrick Schelling is a Swiss cyclist, who most recently rode for UCI WorldTeam Israel Start-Up Nation.

Alexander Köll is a Swedish former World Cup alpine ski racer who competed in two editions of the FIS Alpine World Ski Championships.

Gina Dirawi is a Swedish television presenter, singer-songwriter, radio personality, blogger, comedian and actress. While she is best known as the first woman ever to host Melodifestivalen on three occasions, she has also hosted several other television and radio shows. She has also released music and played the lead role in the play "Donna Juanita" on Stadsteatern in Stockholm.