List of Famous people who are 42

Rumiko Tani , formerly known professionally as Chinatsu Miyoshi (三佳千夏), is a Korean-Japanese television personality and a former idol singer associated with Hello! Project.

Hiroko Nagamine is a former Japanese badminton player. She was part of the Sanko Co, Ltd team. Nagamine graduated from the Kumamotoshinaijogakuin Chugakukoto School, and in 2000, she competed at the Summer Olympics in Sydney, Australia in the women's doubles event partnered with Satomi Igawa. Together with Igawa, they won international tournament in Cuba, Netherlands, Peru, and Chile.

Makoto Oishi is a Japanese professional wrestler currently working for Dramatic Dream Team (DDT). Oishi started his career in Kaientai Dojo, where he became a Strongest-K Tag Team, Independent World Junior Heavyweight and UWA World Middleweight Champion, at one time holding all three titles simultaneously. In 2010, Oishi left Kaientai Dojo to become a freelancer, before making DDT his new home promotion in September 2011.

Lee Jai-jin is a South Korean singer and dancer. Lee is the sub-rapper and main-dancer of the South Korean boy group Sechs Kies.