List of Famous people who are 31

Song Nan is a Chinese former competitive figure skater. He is the 2014 Four Continents bronze medalist, the 2013 Winter Universiade champion, the 2010 World Junior silver medalist, a two-time senior Grand Prix medalist, and a three-time Chinese national champion.

Kazumasa Sakai is a Japanese badminton player who is single specialist.

Ashton John Taylor is a footballer and a former Wales under-21 squad member, who plays as a defender for Aberdeen. He began his career with Tranmere Rovers, and during his time there had a loan spell at Colwyn Bay. He later played for Scottish club Aberdeen before moving to English club Northampton Town for two years, after which he re-signed for Aberdeen.

Kim Na-young is a South Korean figure skater. She is a two-time South Korean national champion, a two-time Asian Trophy silver medalist, and a two-time bronze medalist on the ISU Junior Grand Prix circuit.

John Jacob Charles William Smith is an American actor. He began his career as a young child, making several guest appearances on popular TV shows before being cast as Owen Salinger on Party of Five, a role he held for two years. After the series' end, Smith went on to appear in Phantom of the Megaplex, a Disney Channel Original Movie, in 2000 and then in Cheaper by the Dozen and its sequel, Cheaper by the Dozen 2, in 2003 and 2005, respectively.

Camille Simone Winbush is an American actress and recording artist, best known for her roles as Vanessa Thomkins on The Bernie Mac Show and as Lauren Treacy on the popular teen drama The Secret Life of the American Teenager. Her parents are Anthony and Alice Winbush and her older brother, Troy Winbush, is also an actor. Her work in television has earned her three Image Awards and a Young Artist Award.