Ioannis Grivas

Ioannis Grivas (; 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.

Life Grivas was born in Kato Tithorea, Amfikleia-Elateia, Phthiotis. He studied law at the University of Athens and in 1954 he became a judge. He took part as a judge in the Greek Junta Trials in 1975, and in 1979, he was appointed to the Supreme Court of Greece for Civil and Criminal Cases. He became vice-president of the court in 1986 and president in 1989–90. After the elections produced another deadlocked Parliament, he resigned on 23 November 1989 in favor of Xenophon Zolotas, who formed a National Unity government in which all three parliamentary parties participated.

Grivas retired in 1990. He died on 27 November 2016, aged 93.