List of Famous people who are 31

Milena Rašić is a retired Serbian professional volleyball player. She played for Serbia women's national volleyball team. She won a silver medal at the 2016 Summer Olympics and also competed at the 2012 Summer Olympics. She won a bronze medal at the 2020 Summer Olympics. She is 1.93 m tall.

Dzon Delarge is a Congolese footballer who plays as a right winger.

Erik Murphy is a French-born Finnish-American professional basketball player for the Fukushima Firebonds of the Japanese B.League. Drafted by the Chicago Bulls in 2013, he also represents the Finnish national team.

Elvis Sarić is a Bosnian professional footballer who plays as a midfielder for Al Ahli and the Bosnia and Herzegovina national team.

Konstantinos "Kostas" Papanikolaou is a Greek professional basketball player for Olympiacos of the EuroLeague. Standing at 2.04 m tall, he plays at the small forward position. He has previously played in the NBA for the Houston Rockets and Denver Nuggets, and is also a member of the senior Greek national team.

Johan Ahmat Farizi is an Indonesian professional footballer who plays as a left-back for and captains Liga 1 club Arema, and the Indonesia national team.

Taner Yalçın is a German footballer of Turkish descent who currently plays for TFF Second League club Sivas Belediyespor.

Mohamed Bassam is an Egyptian professional footballer. He plays for Tala'ea El Gaish SC, and was briefly a member of the Egypt national football team. He competed at the 2012 Summer Olympics.

Fatih Serkan Kurtuluş is a Turkish football player who plays for Kırşehir Belediyespor.

Nam Ji-hyun is a South Korean actress and former singer. She is best known as the former leader and a vocalist of now-disbanded South Korean girl group 4Minute.