Ishikari Plain () is a plain in western Hokkaido. The area of the plain is approximately 3800km. The central city is Sapporo. Rice cultivation is very popular in the Ishikari Plain.
A fictionalized version of Ishikari Plain is extensively featured in the 2025 action-adventure video game Ghost of YÃ Âtei. In the game, it serves as the primary setting for hunting the Oni, a member of the YÃ Âtei Six, the main antagonists of the game.