People:

• Akihiko Matsui, Japanese videogame designer
• Bob Matsui (1941–2005), US congressman from California
• Daijiro Matsui, Japanese mixed martial arts fighter
• Daisuke Matsui (born 1981), Japanese footballer for Le Mans
• Doris Matsui (born 1944), US congresswoman from California, widow of Bob Matsui
• Eri Matsui, Japanese fashion designer
• Hideki Matsui (born 1974), major-league baseball player, left fielder for the New York Yankees
• Iwane Matsui (1878–1948), Japanese general and war criminal
• Kazuo Matsui (born 1975), Major-league baseball player, infielder for the Houston Astros
• KJ Matsui, Japanese basketball player for Columbia University
• Keiko Matsui (born 1961), Japanese smooth jazz musician
• Mami Matsui, Japanese voice actor
• Mitsuru Matsui, Japanese cryptographer
• Naoko Matsui, Japanese voice actor

Other:

• Chisato Matsui, a character in Battle Royale novel, film and manga
• Matsui (company), a brand of electrical appliances in the UK

See also

• Mitsui, a Japanese corporation with a similar name