List of Famous people who are 31

Brice Dulin is a French rugby union player. His usual position is Fullback, and he currently plays for La Rochelle in the Top 14. He began his career at SU Agen, making his professional debut in 2009. He made his debut for France during their tour of Argentina in June 2012.

Kévin Tillie is a French volleyball player, member of the France men's national volleyball team and Italian club Top Volley Cisterna, 2015 European Champion, gold medallist of the 2015 World League, Polish Champion.

Andreas Toba is a German gymnast. He competed for the national team at the 2012 Summer Olympics in the Men's artistic team all-around. He also competed at the 2016 Summer Olympics.

Zhang Yujian is a Chinese actor.

Denard Xavier Robinson is a former American football running back who played for four seasons in the National Football League (NFL). He was drafted by the Jacksonville Jaguars in the fifth round of the 2013 NFL Draft. Robinson was the starting quarterback in all 26 games for the 2010 and 2011 Michigan Wolverines football teams and played at the same position as a senior for the 2012 team as well as running back and wide receiver in the second half of the season.

Francesco Friedrich is a German bobsledder who has been active since 2006. At the 2018 Winter Olympics in Pyeongchang, South Korea, he and brakeman Thorsten Margis tied with Canada's Justin Kripps and Alexander Kopacz for the gold medal in the two-man competition. Friedrich also won gold outright in the four-man event alongside Margis, Candy Bauer and Martin Grothkopp, making Friedrich the fifth German pilot to win two-man and four-man golds at the same Games, after Andreas Ostler in 1952, Meinhard Nehmer in 1976, Wolfgang Hoppe in 1984 and André Lange in 2006. Friedrich previously competed at the 2014 Winter Olympics in the doubles and fours and finished in eighth and tenth place, respectively.

Emmanuel José Rivière is a Martiniquais professional footballer who currently play for Serie A club Crotone. Rivière primarily plays in the lead striker role, but can also operate on the wings. He was a French youth international having played at all levels before switching to represent the Martinique national football team.

Zachary Harrison Wheeler is an American professional baseball pitcher for the Philadelphia Phillies of Major League Baseball (MLB). He previously played for the New York Mets.

Kevin Zeitler is an American football guard for the New York Giants of the National Football League (NFL). He played college football for the University of Wisconsin-Madison, and earned consensus All-American honors. He was selected by the Cincinnati Bengals in the first round of the 2012 NFL Draft and has also played for the Cleveland Browns.

Cody Christopher Calafiore is an American reality television personality and former actor and model. He was the runner up on the reality television series Big Brother 16 in 2014. He was later crowned the winner of Big Brother 22: All-Stars in 2020. He is now a real estate agent for Keller Williams Realty.