Ioannis Grivas, Greek statesman (b. 1923)
Ioannis Grivas (Greek: Ιωάννης Γρίβας; 23 February 1923 – 27 November 2016) was a Greek judge, who served as President of the Court of Cassation and served as the Prime Minister of Greece at the head of a non-party caretaker government in 1989.