Ei (surname)

Ei is both a surname and a given name. Notable people with the surname include:
 * Ei Ei Thet (born 1992), Burmese swimmer
 * Ei Ei (born 1965), Burmese singer
 * Ei-Q (born 1973), Japanese artist
 * Ei Aoki (born 1965), Japanese storyboard artist
 * Ei Iida (born 1967), Japanese former professional tennis player
 * Shō Ei (1559–1588), Japanese king of the Ryukyu Kingdom
 * Wada Ei (1857–1929), Japanese textile worker and memoirist
 * Poe Ei Ei Khant (born 1993), Burmese actress and singer
 * Rokusuke Ei (1933–2016), Japanese lyricist, composer, author, essayist