List of Famous people who are 31

Tatsuya Sakai is a Japanese football player.

Gorgui Sy Dieng is a Senegalese professional basketball player for the Atlanta Hawks of the National Basketball Association (NBA). Gorgui means "the old one" in his native language Wolof.

Daniel "Danny" Roman is an American professional boxer. He is a former unified super bantamweight champion, having held the WBA (Super), and IBF titles from 2019 to January 2020, and previously the WBA (Regular) title from 2017 to 2019.

Yayoi Matsumoto is a Japanese swimmer. At the 2012 Summer Olympics, she competed for the national team in the Women's 4 × 100 metre freestyle relay, finishing in 7th place in the final. She also competed in the women's 50m freestyle, finishing with a time of 25.73 seconds in 35th place in the heats, and the 4 x 200 m freestyle relay. At the 2016 Summer Olympics, she competed in the 50 m freestyle, finishing in 43rd, and was part of the Japanese women's 4 x 100 m freestyle team.

Jamina Caroline Roberts is a Swedish handball player for IK Sävehof and the Swedish national team.

Mohammed Yahya Jahfali is a Saudi Arabian professional footballer who plays as a Defender for Al Hilal of Saudi Premier League. He was called up to the Saudi Arabia national football team for 2018 FIFA World Cup qualification.

Franck M'bia Etoundi is a Cameroonian professional footballer who plays for NK Slaven Belupo in the Prva HNL as a striker.

Romain Métanire is a Malagasy professional footballer who plays as a defender for Major League Soccer club Minnesota United and the Madagascar national team. Born and raised in France, he has previously played for FC Metz and Stade de Reims, with whom he won Ligue 2 in 2017–18, as well as in Belgium with KV Kortrijk.

Vivaan Shah is an Indian film actor, who made his film debut with Saat Khoon Maaf (2011) as Arun Kumar. Thereafter, he signed a three-film deal with director Vishal Bhardwaj. In 2014, he was given a role in Farah Khan's film Happy New Year.