List of Famous people who are 31

Michael Smith is an English professional darts player playing in Professional Darts Corporation (PDC) events. He is the 2013 PDC Under-21 World Champion and has since won eight titles on the PDC Pro Tour. Smith was managed by Tommy Gilmour MBE of Dunvegan Darts and mentored by team mate Scottish darts player Gary Anderson. Michael and his wife Dagmara now manage his career themselves as a family business after a split from Dunvegan Darts Ltd in December 2019.

Bruce Tyrone Maxwell III is German–born American professional baseball catcher in the New York Mets organization. He had played previously with Acereros de Monclova of the Mexican League. He also has played in Major League Baseball (MLB) for the Oakland Athletics.

Haley Elizabeth Reinhart is an American singer, songwriter and voice actress from Wheeling, Illinois, a suburb of Chicago. She first rose to prominence after placing third in the tenth season of American Idol. In July 2011, Reinhart signed a recording deal with Interscope Records. Her debut album Listen Up! was released on May 22, 2012, to critical acclaim, and she subsequently became the first American Idol alumna to perform at Lollapalooza. After being dropped by Interscope Records following a change in the company's management in 2012, Reinhart expanded the agreement she had with her music publisher, ole, in 2014. Reinhart signed with ICM Partners in March 2016, in addition to her ongoing deal with ole.

Youssef Msakni is a Tunisian professional footballer who plays as a winger or forward for Al Arabi on loan from Al-Duhail, and the Tunisia national team.

Lim Soo-hyang is a South Korean actress. She rose to fame playing leading roles in the television series New Tales of Gisaeng (2011) and Inspiring Generation (2014). Im was cast in a Chinese film in 2014, and played the title character in the prison romance Eun-ha in 2016 and the female lead in the campus romance My ID is Gangnam Beauty with Cha Eun Woo in 2018.

Emory Isaac Cohen is an American actor. He made his feature film debut in Afterschool (2008). He is best known for his roles as AJ Cross in Derek Cianfrance's film The Place Beyond the Pines (2012), Tony Fiorello in John Crowley's film Brooklyn (2015), and Homer in the Netflix series The OA (2016).

Derek Drouin is a Canadian track and field athlete who competes in the high jump. He is the reigning Olympic Champion, having won gold in 2016, and was the 2015 World Champion. He also won gold at the 2014 Commonwealth Games and the 2015 Pan American Games, and won a bronze medal at the 2012 Summer Olympics and the 2013 World Championships.

Sheldon Adam Richardson is an American football defensive tackle for the Cleveland Browns of the National Football League (NFL). He played college football at Missouri, and was drafted by the New York Jets in the first round of the 2013 NFL Draft. Richardson has also played for the Seattle Seahawks and Minnesota Vikings.

Hikaru Yaotome is a Japanese singer, actor, tarento, and model. He is a member of Hey! Say! JUMP under Johnny & Associates. He was born in Miyagi Prefecture.

Aziz Eraltay Behich is an Australian professional footballer who plays as a left back and left winger for Turkish club Kayserispor on loan from İstanbul Başakşehir.