Manmaru The Ninja Penguin, released in Japan as , is a Japanese manga series written and illustrated by Mikio Igarashi. It was serialized in the Enix magazine Monthly Shà Ânen Gangan from 1995 to 1999. A 48-episode anime adaptation was produced by Shin-Ei Animation, directed by Tetsuo Yasumi, and broadcast on TV Asahi between July 5, 1997, and March 28, 1998.
The anime uses two pieces of theme music. by Yumi Adachi is the series' opening theme while by Miho Komatsu is the series' ending theme.
In 1997, a 3D platform game based on Ninpen Manmaru was released in Japan for the Sega Saturn, developed by TamTam and published by Enix.