List of Famous people who are 30

Casey Cizikas is a Canadian professional ice hockey centre for the New York Islanders of the National Hockey League (NHL). He spent four seasons with the Mississauga St. Michaels Majors of the Ontario Hockey League (OHL), where he had two 20-goal seasons. Cizikas was selected by the Islanders in the fourth round, 92nd overall, of the 2009 NHL Entry Draft. He began playing for their minor league affiliate, the American Hockey League (AHL)'s Bridgeport Sound Tigers, two years after the draft, during the 2011–12 season; he was recalled to the Islanders' NHL roster mid-season, where he has played since.

Marvin Pourié is a German professional footballer who plays as a striker for 1. FC Kaiserslautern on loan from Karlsruher SC.

Sandrine Le Feur is a French organic farmer and politician of La République En Marche! (LREM) who has been serving as a member of the National Assembly since the 2017 elections, representing the department of Finistère.

Augusto César Lima Brito is a Brazilian professional basketball player for UCAM Murcia of the Liga ACB. He is 6'10" (2.08m) tall and he can play as either a power forward or a center. He is left handed, but at the age of ten, his parents forced him to learn to write and shoot with the right. He was born in Rio de Janeiro.

Janis Jonathan Blaswich is a German footballer who plays as a goalkeeper for Dutch club Heracles Almelo.

Femi Seun Ogunode is a Nigerian-born sprint athlete who competes internationally for Qatar. His personal best of 9.91 at 100 m in 2015 makes him the current co-holder of the Asian 100m record, which was tied by China's Su Bingtian in 2018. In 2012 he was subjected to a ban from competition for two years after a positive doping test.

Olga Smirnova is a Russian ballet dancer who is currently a prima ballerina with the Bolshoi Ballet. She has danced at venues across Europe as well as appearing in Beijing and Japan.

Christian Clemens is a German professional footballer who plays as a winger for SV Darmstadt 98 in the 2. Bundesliga.

Javier Mendoza is a Mexican professional boxer and a former IBF Light flyweight champion.

Ksenia Dmitrievna Afanasyeva is a retired Russian artistic gymnast who competed at the 2008 and 2012 Summer Olympics. She is the 2011 world champion on floor exercise, the 2013 and 2015 European floor champion, and the 2013 Universiade vault and floor champion. Widely regarded as one of the most original and artistic gymnasts of all time, she retired from elite gymnastics in July 2016 due to kidney disease, a month away from the 2016 Summer Olympics, for which she was the Russian team's first alternate.