Chūichi
# Chūichi

Chūichi, Chuichi or Chuuichi (written: 忠一) is a masculine Japanese given name. Notable people with the name include:

* Chūichi Ariyoshi (有吉 忠一, 1873–1947), Japanese politician
* Chuichi Date (伊達 忠一, born 1939), Japanese politician
* Chūichi Hara (原 忠一, 1889–1964), Japanese admiral
* Chūichi Nagumo (南雲 忠一, 1887–1944), Japanese admiral
