List of Famous people who are 31

Ece Çeşmioğlu is a Turkish actress.

Hitomi Ōwada is a Japanese voice actress from Kanagawa Prefecture. She is affiliated with Aoni Production.

Julian "J-Rock" Williams is an American professional boxer. He held the WBA (Super), IBF, and IBO light middleweight titles from 2019 to January 2020. As of November 2020, Williams is ranked as the world’s fourth best active light middleweight by The Ring magazine, third best by the Transnational Boxing Rankings Board, and fourteenth by BoxRec.

Sercan Yıldırım is a Turkish footballer who plays as a forward for Kırşehir Belediyespor.

Hassan Khalid al-Haydos is a Qatari footballer who plays as a striker for Al Sadd, in addition to playing for the Qatar national team.

Mariama Jamanka is a German bobsledder who won Gold in the two-woman event with Lisa Buckwitz at the 2018 Winter Olympics.

Alexa Guarachi Mathison is an American-born Chilean tennis player.

Kazuyuki Kaneda is a Japanese professional baseball pitcher for the Orix Buffaloes in Japan's Nippon Professional Baseball. Kaneda was drafted 5th in the 2012 draft and made his first team debut on opening day of the 2014 season, pitching a scoreless 7th inning against the Yomiuri Giants.

Christine Lynn Michael Sr. is an American football running back who is a free agent. He played college football at Texas A&M, and was drafted by the Seattle Seahawks in the second round of the 2013 NFL Draft.

Gwyneth Ho Kwai-lam is a Hong Kong social activist and former reporter of the news outlet Stand News, who rose to prominence for her frontline reporting in the 2019–20 Hong Kong protests.