Maru (Japanese: まる, born 24 May 2007) is a male Scottish Straight cat in Japan who has become popular on YouTube.

Maru, during these videos, shows his fascination with boxes, his placid personality, his amusing antics, and an inventive intelligence and intuition.

In August 2013, Maru's owner adopted a kitten named Hana from a veterinarian.

[4] In November 2020, Maru's owner adopted another kitten named Miri from a neighbor who had rescued her from a storm drain.

[5] Entertainment Weekly mentioned Maru alongside Keyboard Cat and Nora in its "Notable Kitty Videos" article.