List of Famous people who are 31

José Alberto Quiñónez Navarro is a Mexican mixed martial artist. He was one of the cast members in The Ultimate Fighter: Latin America 1, The Ultimate Fighter UFC TV reality show in August 2014, and he competes in Bantamweight division of the Ultimate Fighting Championship (UFC).

Takahiro Matsuba is a Japanese professional baseball pitcher for the Chunichi Dragons in Japan's Nippon Professional Baseball. He previously played for the Orix Buffaloes.

Kazenga LuaLua is an English–Congolese professional footballer who plays as a winger for Luton Town. He previously played for Brighton & Hove Albion, Newcastle United, Doncaster Rovers, Queens Park Rangers and Sunderland.

Samina Khayal Baig is a Pakistani high-altitude mountaineer who in 2013 climbed Mount Everest and then all Seven Summits by 2014. She is the first Pakistani woman to climb Everest and the Seven Summits. She is also the first and youngest Muslim woman to climb Mount Everest, having done so at the age of 21.

Jakub Vadlejch is a Czech track and field athlete who competes in the javelin throw. He is a three-time Olympian for the Czech Republic, having competed in 2012, 2016 and 2020, winning a silver medal in 2020. He also has represented his country four times at the World Championships in Athletics, winning the silver medal in 2017, and four times a competitor at the European Athletics Championships. He also won the 2016 IAAF Diamond League title.

Syarifah Olvah Bwefar Alhamid or beter known as S. Olvah Alhamid is an Indonesian model from Kaimana Regency and became the first Papuan women who won the title of Puteri Indonesia Perdamaian, precisely at the beauty pageant of Puteri Indonesia 2015. For her victory in the Top 5 Puteri Indonesia 2015, Olvah then appointed by the Puteri Indonesia Foundation to represent Indonesia in the Miss Eco Universe 2016 beauty pageant held in Egypt. At the pageant, he managed to occupy the Top 16 position and also won best national costume with costume named 'Bird of Paradise'.

Guélor Kanga Kaku is a Gabonese professional footballer who plays as an attacking midfielder for Red Star Belgrade and the Gabon national team.

Julian Marquez is an American professional mixed martial artist currently competing in the Middleweight division of the Ultimate Fighting Championship.

Michał Kwiatkowski is a Polish professional road bicycle racer, who currently rides for UCI WorldTeam Ineos Grenadiers.

Michael Derrick Tubbs is an American politician who served as the 79th mayor of Stockton, California from 2017 to 2021. A member of the Democratic Party, he previously served as a member of the Stockton City Council from the 6th District from 2013 until 2017.