Natsuki Okamoto (岡本 奈月, Okamoto Natsuki, born September 13, 1989) is a Japanese fashion model and actress. She was born in the Mie prefecture. Her career began as a model for the magazine CANDy in 2002. She was also the face model for Miyako Kajiro, a video game character from the 2004 video game Siren.