Junko Nakajima (中島 淳子, Nakajima Junko, born 2 May 1952), more commonly known by her stage name Mari Natsuki (夏木 マリ, Natsuki Mari), is a Japanese singer, dancer and actress. Born in Tokyo, she started work as a singer from a young age. In 2007, Natsuki announced her engagement to percussionist Nobu Saitō, with their marriage taking place in Spring 2008.