List of Famous people who are 31

Basilio Gabriel Costa Heredia is a professional footballer who plays as a midfielder for Colo-Colo. Born in Uruguay, Costa represents Peru internationally.

Grzegorz Krychowiak is a Polish professional footballer who plays for Lokomotiv Moscow and the Poland national team as a defensive midfielder.

Marquise Derell Goodwin is an American football wide receiver and kick returner for the Philadelphia Eagles of the National Football League (NFL) and an Olympian who competed in the long jump in track and field. He was drafted by the Buffalo Bills in the third round with the 78th pick of the 2013 NFL Draft. He played college football at Texas.

Abderrazak "Abdo" Hamdallah is a Moroccan professional footballer who plays as a striker for Al-Nassr in the Saudi Professional League. Between 2012 and his retirement from international football in November 2019 he made 14 appearances for the Morocco national team scoring 6 goals.

Roman Bürki is a Swiss professional footballer who plays as a goalkeeper for Bundesliga club Borussia Dortmund.

Joseph Michael Allen is a Welsh professional footballer who plays as a midfielder for Championship club Stoke City and the Welsh national team.

Elise Christie is a British short track speed skater. She is coached by Nicky Gooch and she specialises in the 1000m event. She is ten times a European gold medalist, including two overall European titles in 2015 and 2016. In the 2017 World Championships in Rotterdam she won world titles in the 1000m and 1500m events, as well as the overall gold, the first British woman and first European woman to do so.

Jermall Charlo is an American professional boxer. He has held world championships in two weight classes, including the WBC middleweight title since 2019 and previously the IBF junior middleweight title from 2015 to 2017. His identical twin brother, Jermell Charlo, is also a professional boxer and current world champion. As of April 2020, Jermall is ranked as the world's third best active middleweight by BoxRec, and fourth by The Ring magazine and the Transnational Boxing Rankings Board.

Maria Mika Maxine Perez Medina is a Filipino designer, actress, model and beauty pageant titleholder who was crowned Miss Universe Philippines 2016. She represented the Philippines in Miss Universe 2016.

John Maxwell Homa is an American professional golfer who plays on the PGA Tour. In college, he won the individual 2013 NCAA Division I Men's Golf Championship. As a pro, he won the 2019 Wells Fargo Championship.