List of Famous people who are 31

Cherrybelle, is a nine-piece Indonesian girl group formed in 2011. They are signed to CBM Entertainment.

Martin Giuffre is a Canadian badminton player. Giuffre has qualified to compete at the 2016 Summer Olympics.

Takeshi Kamura is a Japanese badminton player. He affiliated with the Tonami team since 2012, and has been selected to join the national team in 2013. Kamura was part of the national team that won the 2014 Thomas Cup. He captured his first Superseries title at the 2016 Hong Kong Open, and reached a career high of world number 2 in the men's doubles partnered with Keigo Sonoda in January 2017.

Qieyang Shijie, also known as Qieyang Shenjie or Choeyang Kyi; is a Chinese race walker. She was born in Haiyan, Haibei T.A.P, Qinghai province, and her family are Tibetan herders. She won gold medal in the Women's 20 km walk race in 2012 Summer Olympics in London. She is the first ethnic Tibetan to compete and win a medal in the Olympics. After winning the medal, Qieyang Shijie said she was most grateful to her coach. Originally she won a bronze medal, but after Russia's Olga Kaniskina was disqualified in March 2016 for doping, she was awarded the silver medal, and with the subsequent disqualification of Elena Lashmanova she was promoted to gold. She also finished in 5th place at the 2016 Summer Olympics. Qieyang Shijie finished 7th at 2020 Summer Olympics.

Manuchekhr Nasrulloyevich Dzhalilov is a Tajik professional football player who currently plays as a forward for FC Istiklol.

Ryo Hidaka is a professional Japanese baseball player.