Mitsui (surname) explained
Mitsui (written: lit. "three wells" or) is a Japanese surname. Notable people with the surname include:
- , Japanese singer
- , Japanese swimmer
- , Japanese screenwriter
- , Japanese actor
- , Japanese hurdler
- , Japanese synchronized swimmer
- , Japanese philatelist
- , founder of the Mitsui conglomerate
- , Japanese sailor
- , Japanese politician
- , Japanese poet
- , Japanese model and actress