Maru Sankaku Shikaku (disambiguation)
Maru Sankaku Shikaku is a Japanese psychedelic rock band
Maru Sankaku Shikaku (often stylized as ●▲■), Japanese for ″Circle, Triangle, Square″, may also refer to:
- Marusankakushikaku (まるさんかくしかく / 円三角四角), a zenga by Sengai Gibon
- "○△□", an episode of the television series Squid Game