Usui (written 碓井, 碓氷, 臼井, 笛吹, 薄井 or 卯水) is a Japanese surname.
Notable people with it include :
Hana Usui (born 1973), Japanese artist Hideo Usui (born 1939), Japanese politician , Japanese football manager Hiroyuki Usui (born 1953), former Japanese football player and manager Hitoshi Usui (born 1988), Japanese football player Junichi Usui (born 1957), retired Japanese long jumper Kaoru Usui (1916–2010), Japanese photographer Kempei Usui (born 1987), Japanese footballer Kohei Usui (born 1979), Japanese football player Masahiro Usui (born 1991), Japanese actor Masako Usui (born 1968), Japanese newscaster Mikao Usui (1865–1926), religious teacher, founder of Reiki Mikoto Usui, Japanese economist Rie Usui (born 1989), Japanese women's footballer Usui Sadamitsu, warrior of the mid-Heian period Yoshimi Usui (1905–1987), Japanese author and critic Yoshito Usui (1958–2009), Japanese manga artist
Fictional characters Takumi Usui, a character in anime and manga series Maid Sama! Kazuyoshi Usui or Switch, a character in anime and manga series Sket Dance Horokeu Usui or Horohoro, a character in anime and manga series Shaman King Uonuma Usui, a character in anime and manga series Rurouni Kenshin Kagerou Usui, a character in the anime and manga series Sayonara Zetsubou Sensei Ukonzaemon Usui, better known as "Great Shinobi Owl," a major antagonist of the video game Sekiro: Shadows Die Twice Abuto Usui, from Shinkansen Henkei Robo Shinkalion Z