Natsuko Kayama (加山 なつこ, Kayama Natsuko, born January 31, 1971) is a Japanese AV actress from Yokohama City, Kanagawa Prefecture. She is affiliated with Capsule Agency.

She was previously affiliated with HY Production. Her body measurements are 98-60-93 cm (39 - 24 - 37 in) (H75 cupsize) and her height is 1.63 m (5′ 5″).