List of Famous people who are 31

Jeannine Gmelin is a Swiss competitive rower.

Hayden John Parker is a New Zealand rugby union player who currently plays as a first five-eighth for the Japanese based HITO-Communications Sunwolves in Super Rugby and Otago in New Zealand's domestic Mitre 10 Cup.

Rina Sumioka is a Japanese female singer-songwriter.

Ali Eren Demirezen is a Turkish professional boxer who held the WBO European heavyweight title from 2018 to 2019. As an amateur he won a silver medal at the 2013 Mediterranean Games in Mersin, Turkey.

Timothée Adolphe is a blind French Paralympic athlete who competes in sprinting events in international level events. He participates in sprinting events with running guides Bruno Naprix and Jeffrey Lami.

Jesús Alexander Aguilar is a Venezuelan professional baseball first baseman for the Miami Marlins of Major League Baseball (MLB). He has also played for the Cleveland Indians, Milwaukee Brewers, and Tampa Bay Rays. Aguilar was an All-Star in 2018.

Furkan Özçal is a Turkish footballer who plays as an attacking midfielder for Adanaspor.

Norbert Gombos, occasionally spelt Norbert Gomboš, is a Slovak professional tennis player of Hungarian descent playing on the ATP Challenger Tour and a member of the Slovakia Davis Cup team. He achieved a career-high ATP singles ranking of World No. 80 on 2 October 2017.

Sonya Belousova is a Russian-born American film composer, pianist and recording artist who resides and works in Los Angeles, California. Belousova is a winner of international composition and piano competitions. Recognized as a child prodigy, at the age of 13 years Belousova was awarded with the Russian Ministry of Culture Award for her outstanding achievements in music composition.

Kim Young-gwon is a South Korean professional footballer who plays for Gamba Osaka and the South Korea national football team.