|This article is about a/an writer in the Kamen Rider Series.|
Riku Sanjo (三条 陸 Sanjō Riku) is a Japanese screenwriter who served as head writer of both Kamen Rider W and Kamen Rider Drive. He was later one of the secondary writers on Kamen Rider Fourze and head writer of Zyuden Sentai Kyoryuger. He also played the Sweets Man in Kamen Rider W Returns: Kamen Rider Eternal.
He is also a secondary writer of the Satria Series (Knight Series), mainly Satria Garuda BIMA X, an Indonesian tokusatsu series created by Ishimori Productions.