Akiko Utsumi (内海 安希子, Utsumi Akiko, July 24) is a Japanese voice actress and former musumeyaku (female role) of the Takarazuka Revue Moon Troupe, born in Sendai City, Miyagi Prefecture. She is 161 cm tall. Her nicknames are Karen and Akko. Her stage name during the Takarazuka Revue era was Karen Misora (美宙 果恋, Misora Karen). She is affiliated with Aoni Production.

She entered the Takarazuka Music School in 2005 and joined the Takarazuka Revue in 2007 as a 93rd class member. She performed in the Star Troupe “Sakura / Secret Hunter” with the stage name of Karen Misora. She was then assigned to the Moon Troupe. She left the Takarazuka Revue on May 29, 2011, after her “Prince of the Land of Roses / ONE” performance in Tokyo.

After leaving Takarazuka Revue, she graduated from the Aoni Juku Osaka School as a 32nd graduate and became a member of Aoni Production, starting her voice acting activities under the stage name of Akiko Utsumi in 2016.