Ioannidis or Ioannides () is a Greek surname. The female version of the name is Ioannidou or Ioannides. Ioannidis or Ioannides is a patronymic surname which literally means "the son of Ioannis (Yiannis)", thus making it equivalent to English Johnson. Notable people with surname Ioannidis or Ioannides include:

Men Alkinoos Ioannidis (born 1969), Cypriot composer and singer Andreas Ioannides (footballer) (born 1975), Cypriot football player Dimitrios Ioannides (1923–2010), military officer involved in the Greek military junta of 1967–1974 Evgenios Ioannidis (born 2001), Greek chess player Fotis Ioannidis (born 2000), Greek footballer Georgios Ioannidis (born 1988), Greek footballer Giannis Ioannidis (1945–2023), former basketball coach and politician John Ioannidis (born 1965), medical researcher Matt Ioannidis (born 1994), American football player Nikolaos Ioannidis (born 1994), Greek footballer Paul Ioannidis (1924–2021), pilot and resistance fighter Perikles Ioannidis (1881–1965), admiral and second husband of Princess Maria Georgievna of Greece and Denmark Philaret Ioannides (1886 - 1961) Bishop of Chicago, IL 1923 - 1930 Yannis Ioannidis (born 1959), computer scientist Vassilis Ioannidis (born 1967), Greek footballer

Women Mairi Ioannidou (born 1952), Greek Olympic swimmer Noni Ioannidou (born 1958), Greek actress and model Sarah Ioannides (born 1972), music director and conductor of the El Paso Symphony Orchestra Yiota Ioannidou (born 1971), Cypriot sculptor

See also