List of Famous people who are 31

Mervin Tran is a Canadian pair skater who competes for the United States with Olivia Serafini.

Jesper Hansen is a Danish cyclist, who currently rides for UCI Continental team Riwal Cycling Team.

Paweł Poljański is a Polish former professional racing cyclist, who rode professionally between 2014 and 2020, for the Tinkoff and Bora–Hansgrohe teams. He rode in the 2014 Giro d'Italia. He was named in the start list for the 2015 Vuelta a España. In June 2017, he was named in the startlist for the 2017 Tour de France.

David Accam is a Ghanaian professional footballer who plays as a winger for Hammarby IF, on loan from Nashville SC, and the Ghana national team.

James Wolpert is an American singer, best known for his appearance on Season 5 of the NBC singing competition The Voice as part of Adam Levine's team.

Fontaine Mica Chapman is a badminton player from England. She started playing badminton at age 6, and joined the England national junior badminton team in 2003.

Charles Saxton is an American film, television and voice actor.

Brandon Harris is an American football coach and former cornerback who is currently the cornerbacks coach at Florida International University. He was drafted by the Houston Texans in the second round of the 2011 NFL Draft. He has also played for the Tennessee Titans and the Toronto Argonauts of the Canadian Football League (CFL). He played college football at the University of Miami.

İzzet Safer is a Turkish sprinter. He competed in the men's 4 × 100 metres relay at the 2016 Summer Olympics.