Penguindrum, known in Japan as Mawaru Penguindrum (輪るピングドラム, Mawaru Pingudoramu, lit. "Spinning Penguindrum"), is a Japanese anime television series produced by Brain's Base. It was written by Kunihiko Ikuhara and Takayo Ikami, was co-directed by Ikuhara along with Shouko Nakamura, with character designs by Lily Hoshino, and was broadcast in Japan from July through December 2011. It follows the efforts of two brothers, Kanba and Shouma, as they attempt to save their sickly little sister Himari from death by cooperating with a magical penguin hat. In the process, they confront their family's dark past.

A two-part compilation film titled Re:cycle of Penguindrum premiered in 2022, with the first part premiering in April and the second part in July.