List of Famous people who are 30

Jiang Yuyuan is a retired Chinese gymnast. She is the 2008 Chinese all-around senior National Champion and a member of the gold medal-winning People's Republic of China team for the 2008 Summer Olympics. Jiang was a member of the silver medal-winning Chinese team at the 2007 World Championships, the bronze medal-winning member at the 2010 World Championships and 2011 World Championships, and the all-around gold medalist at the 2007 Good Luck Beijing Olympic test event. In 2010, she replaced Cheng Fei as the captain of the Chinese national team. She won a silver medal in the all-around competition at the 2010 World Championships, which is the highest position that a Chinese woman has ever placed in the all-around competition at a world or Olympic championship.

Alexia Runggaldier is an Italian former biathlete. She competed at the Biathlon World Championships 2012 and 2013. She represented Italy at the 2014 Winter Olympics in Sochi and at the 2018 Winter Olympics in PyeongChang.

Baek Dong-kyu is a South Korean footballer who plays as defender for Jeju United in K League 2.

Ryo Shihono is a former Japanese gravure idol and former actress. She was born from Kanagawa Prefecture.

Peter Theremin is a Russian composer, performer of the theremin, an electronic musical instrument.

Oltan Karakullukçu is a Turkish professional footballer who plays as a forward for Turkish club BB Erzurumspor.

Francisco Lachowski is a Brazilian male model. He has been featured in advertisements for a number of notable brands, including Dior Homme, Balmain, Hugo Boss, Etro, L'Oréal, Armani Exchange, H&M, and Tommy Hilfiger. Described as an "übermodel" by Vogue and a "male model legend" by W, Lachowski has been ranked as a top 'Industry Icon' and one of the 'Sexiest Men' by models.com since 2015.

Patrick Reinhard Nielsen is a Danish former professional boxer. He is currently prospect at the motorcycle club Satudarah MC. He challenged once for the WBA interim middleweight title in 2014.

Matthew Michael Duffy is an American professional baseball third baseman in the Chicago Cubs organization. He played college baseball at Long Beach State. He has played in Major League Baseball (MLB) for the San Francisco Giants and Tampa Bay Rays.

Jade Hassouné is a Lebanese-Canadian actor, dancer and singer. He is known for his roles as Meliorn in the US television series Shadowhunters and as Prince Ahmed Al Saeed in the Canadian series Heartland.