List of Famous people who are 30

Jennifer Braun is a German singer. She was runner-up at the talent show Unser Star für Oslo, Germany's national pre-selection show for the Eurovision Song Contest 2010. Her first music single was "I Care for You".

Sayaka Nakaya is a Japanese voice actress and former member of the Japanese idol girl group AKB48. She is from Iwate. While with AKB48 she was a member of the subunit No Name. Her biggest role as a voice actress was as the title character Chitose Sakuraba in the anime series Chitose Get You!!.

Chen Xiaojia is a retired Chinese badminton player from Xiangtan, Hunan. She was selected to join the national second team in 2008. Chen was the gold medalist at the 2009 Asian Junior Championships and the bronze medalist at the World Junior Championships, She represented China at the 2009 East Asian Games, and claimed the gold medal in the women's team event, and a bronze medal in the women's singles. Chen clinched the women's singles title at the 2011 Indonesia Open Grand Prix Gold after beat the Frech veteran Pi Hongyan in rubber game.