Matsui (written: 松井 or 松居) is a Japanese surname. Notable people with the surname include:
, Japanese model, actress and former idol , Japanese videogame designer , Japanese economist Bob Matsui (1941–2005), US California Congressman , Japanese screenwriter and film director , Japanese mixed martial arts fighter , Japanese footballer Doris Matsui (born 1944), US congresswoman from California, widow of Bob Matsui , Japanese fashion designer , Japanese artist Japanese artist , Japanese lyricist , Japanese former professional baseball player , Japanese businessman and politician , Japanese general , Japanese actress , Japanese singer, SKE48 , Japanese former professional baseball player , Japanese politician , Japanese actress, investor, businesswoman, essayist, university professor (special appointment), and lifestyle (household chores) adviser , Japanese badminton player , Japanese smooth jazz musician , Japanese statesman and diplomat KJ Matsui, Japanese basketball player for Columbia University Koji Matsui (disambiguation), multiple people , Japanese professional baseball player , Japanese cryptographer , Japanese voice actor , Japanese singer, SKE48 , Japanese idol and pianist, former AKB48 , Japanese karateka and Director of the International Karate Organization , Japanese actress and singer , Japanese planetary scientist, geophysicist, science communicator and academic , Japanese Lieutenant General , Japanese tennis player Yasuo Matsui (1877–1962), Japanese-American architect , Japanese journalist and women's rights activist , Japanese filmmaker , Japanese professional baseball player , Japanese manga artist , Japanese professional baseball player
Fictional characters: Chisato Matsui, character in Battle Royale novel, film and manga Watanabe Matsui, character in the Megatokyo manga Ricky Matsui, character from the web series Dimension 20
Companies and Brands: Matsui (brand), a former "own-brand" for electrical appliances used by Dixons Group stores in the UK Matsui (construction company), a Japanese construction company founded in 1586
See also Mitsui, a Japanese corporation with a similar name