Iinuma
# Iinuma

Iinuma (written: 飯沼) is a Japanese surname. Notable people with the surname include:

* Masaaki Iinuma (飯沼 正明, 1912–1941), Japanese aviator
* Iinuma Sadakichi (飯沼 貞吉, 1854–1931), Japanese samurai
* Iinuma Yokusai (飯沼 慾斎, 1782–1865), Japanese botanist and physician
