Nana Komatsu is a Japanese actress and model. She is best known for her roles in The World of Kanako, Destruction Babies, Drowning Love, The Black Devil and the White Prince, My Tomorrow, Your Yesterday, After the Rain, Farewell Song, Threads: Our Tapestry of Love and Sakura. She made her Hollywood debut role in the film Silence.

The World of Kanako is a 2014 Japanese suspense film directed by Tetsuya Nakashima, starring Kōji Yakusho and Nana Komatsu. It was released on 4 July 2014, and is based on the novel Hateshinaki Kawaki by Akio Fukamachi.