Saki Oku (奥咲姫; born September 4, 1992) is a Japanese actress from Saitama Prefecture, Japan. She is best known for portraying Yoshie, the terrifying giant-faced creature in the Japanese horror film series Death Forest, based on the video game DeathForest: Escape from the Forest. She played the character in Death Forest 3 (2015), Death Forest 4 (2016), and Death Forest 5 (2016). Her other film credits include Miss Zombie (2013), Nowhere Girl (2015), Piece of Cake (2015), and Aozora Yell (2016).