Ioannidis or Ioannides (Greek: Ιωαννίδης) 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: