Mizui is a Japanese surname and toponym. Its meaning differs depending on the kanji used to write it.

Kanji Kanji used to write the name Mizui include: , "place where the water is" , "water well" , "auspicious clothing" "heart-purification clothing"

People , Japanese badminton player Hisako Mizui, represented Japan in Badminton at the 1996 Summer Olympics – Women's singles Seiji Mizui, Japanese rear admiral of the Second World War, commanding officer of the 18th Cruiser Division (Imperial Japanese Navy) , Japanese badminton player Shinji Mizui (born 1974), member of Pierrot (band)

Fictional characters Mizui, character in 2005 Japanese film My God, My God, Why Hast Thou Forsaken Me?

Places , Echizen Railway Mikuni Awara Line railway station located in Sakai, Fukui Prefecture, Japan

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