List of Famous people who are 31

Claudia Zornoza Roca-Rey is a Peruvian female badminton player. She came into international badminton arena after claiming gold medal in the women's doubles partnering with Katherine Winder at the 2008 Puerto Rico International. She also clinched the gold medal in the mixed doubles at the 2009 Puerto Rico International partnering with Bruno Monteverde.

Milo Gibson is an American-Australian actor and the son of Mel Gibson. He is known for his roles in All the Devil's Men, Breaking & Exiting, Gangster Land, and Hacksaw Ridge.

Lu Chia-pin is a Taiwanese badminton player. In 2013, he competed at the Summer Universiade in Kazan, Russia, and won a bronze medal in the team event.

Vivian Hoo Kah Mun is a Malaysian badminton player.

Travis Richard Shaw is an American professional baseball infielder who is a free agent. He previously played in Major League Baseball (MLB) for the Boston Red Sox, Milwaukee Brewers and Toronto Blue Jays. Listed at 6 feet 4 inches (1.93 m), weighing 230 pounds (100 kg), Shaw bats left handed and throws right handed. His father, Jeff, is a former two-time All-Star pitcher who played for six major league teams.

Jiloan Mohammed Hamad Amin Alla Werdi, known as Jiloan Hamad, is a professional footballer who plays as a winger for Allsvenskan club Örebro SK and the Iraq national football team. Born in Azerbaijan and of Iraqi descent, Hamad moved to Sweden and represented their national team before switching to represent Iraq.

Olga Aleksandrovna Fatkulina is a Russian long-track speed skater. She competed for Russia at the 2010 and 2014 Winter Olympics in the women's 500 m and 1000 m.

Yuki Ochi is a Japanese actor. He was represented with the agency Ais. On December 31, 2020, he retired from the entertainment industry.