List of Famous people who are 31

Mateusz Andrzej Klich is a Polish professional footballer who plays as a midfielder for Premier League club Leeds United and the Poland national team.

Shori Hamada is a Japanese judoka.

Michael Andre Dixon Jr. is an American-born naturalized Georgian professional basketball player for U-BT Cluj-Napoca of the Liga Națională. He is a 1.85 m tall guard. After playing three years of college basketball at the University of Missouri, and one year at the University of Memphis, Dixon entered the 2014 NBA draft, but he was not selected in the draft's two rounds.

Ali Zein Mohamed is an Egyptian handball player for Sharjah and the Egyptian national team.

Matthew Kenneth Frevola is an American professional mixed martial artist currently competing in the Lightweight division of the Ultimate Fighting Championship. A professional competitor since 2014, he has also competed for the World Series of Fighting and Titan FC.

Ciara Renée Harper, better known as Ciara Renée is an American actress and musician. She is best known for her roles on Broadway as The Witch in Big Fish, the Leading Player in Pippin, and Elsa in Frozen. She played Esmeralda of The Hunchback of Notre Dame at Paper Mill Playhouse and La Jolla Playhouse. She starred as Kendra Saunders / Hawkgirl in the CW series DC's Legends of Tomorrow, a spin-off of Arrow and The Flash. Her vocal type is mezzo-soprano.

Javier Ignacio Aquino Carmona, is a Mexican professional footballer who plays as a winger for Liga MX club Tigres UANL.

David William DeCastro is an American football guard who is currently a free agent. He played college football for Stanford University, and earned unanimous All-American honors. The Pittsburgh Steelers selected him in the first round of the 2012 NFL Draft, and he was considered one of the best guard prospects available.

Ayodeji Ibrahim Balogun, known professionally as Wizkid, is a Nigerian singer and songwriter. One of Africa's biggest artistes, Wizkid is the most decorated Nigerian artiste ever, and one of the most revolutionary Afro-pop artist of the modern era.

Jordan Leslie Eberle is a Canadian professional ice hockey right winger for the New York Islanders of the National Hockey League (NHL). He was selected in the first round in the 2008 NHL Entry Draft by the Edmonton Oilers.