Mitsu may refer to:

Mitsubishi Motors, a Japanese multinational automotive manufacturer

Places Mitsu, Hyōgo, former town in Hyogo Prefecture, Japan Mitsu, Okayama, former town in Okayama Prefecture, Japan

People Mitsu Arakawa (1927 – 1997), American professional wrestler Mitsu Dan (born 1980), Japanese actress and writer Mitsu Kōro (1893 – 1980), Japanese politician Mitsu Murata (born 1977), Japanese actor and music producer Okita Mitsu (1833 – 1907), eldest daughter of a Japanese samurai family Mitsu Shimojo (born 1955), Japanese politician Mitsu Tanaka (born 1945) Japanese feminist and writer Mitsu Yashima (1908 – 1988), Japanese artist, author, and activist Mitsu Kusabue, a fictional character in the manga series Rozen Maiden

Others Mitsu-gusoku (Japanese: 三具足) in Japanese Buddhism is a traditional arrangement of three articles

See also Mitu (disambiguation) Mittu (disambiguation) Mithu (disambiguation)