Im Jin-ah (born September 14, 1991), known by her stage name Nana, is a South Korean singer, actress and model. She is a member of girl group After School and its subgroup Orange Caramel.

In November 2009, Nana and Raina debuted in After School as third generation members. They debuted with the group for the release of their second single, “Because of You”. In June 2010, Nana, along with After School members Raina and Lizzy formed a sub-unit called Orange Caramel. Nana’s first solo song, “Close Your Eyes”, was included on Orange Caramel’s single album, “Shanghai Romance”. Nana was a member of After School’s temporary sub-unit A.S. Red with Kahi, Uee, and Jungah, and promoted “In The Night Sky” in 2011. In 2012, Nana had a solo song included on After School’s Flashback maxi-single, titled “Eyeline”. In 2012, she joined K-pop stars Hyolyn, Hyuna, Hyoseong, and Nicole to form a super group called Dazzling Red. They performed a charity single called “This Person”.

In 2012, Nana was a runway model for the Japanese fashion show Girls’ Award, Park Yoon-yoo’s Seoul Fashion Walk S/S 2012, and the Tokyo Girls Collection 2012 Spring/Summer. She also became the main model for Korea’s biggest diet brand, Juvis, and was a permanent panelist on the Japanese fashion TV show, Tokyo Brandnew Girls.

In November 2014, Nana was cast in the Chinese television drama, Love Weaves Through A Millennium, a remake of the Korean drama Queen In-hyun’s Man (2012). The drama aired in February and March 2015 on Hunan TV. In June 2015, Nana was cast in a Chinese romantic comedy film, the sequel to Go Lala Go!