Shin Yazawa (矢沢 心, Yazawa Shin, March 16, 1981) is a Japanese actress and talent from Nishitōkyō (formerly Tanashi City), Tokio. Her real name is Shin Kobayashi (小林 心, Kobayashi Shin), being Yazawa her maiden surname. She is affiliated with Japan Music Entertainment (e-concept). Her husband is K-1 kickboxer Masato (魔裟斗, formerly known as Masato Kobayashi, 小林 雅人). She is 160 cm tall and has blood type A.