Ei is a name used in Japan and Myanmar. In Japanese naming, it is a given name and a family name. In Burmese names, which have no concept of a family name, it can be an element in any position.
People with the surname Ei-Q (born 1911), Japanese artist Ei Hisatora (1558–1587), Japanese samurai of the Sengoku period Rokusuke Ei (1933–2016), Japanese lyricist, composer, author, essayist
People with the given name Ei Aoki (born 1973), Japanese storyboard artist Ei Chaw Po (born 1990), Burmese actress, model and singer of Mon descent Ei Ei (born 1965), Burmese singer Ei Ei Thet (born 1992), Burmese swimmer Ei Iida (born 1967), Japanese former professional tennis player Ei Ogawa (1930–1994), Japanese screenwriter Poe Ei Ei Khant (born 1993), Burmese actress and singer Shō Ei (1559–1588), Japanese king of the Ryukyu Kingdom Wada Ei (1857–1929), Japanese textile worker and memoirist