Olukayode Ariwoola GCON(born 22 August 1954) is a Nigerian jurist and justice of the Supreme Court of Nigeria who serves as the chief justice of the Federal Republic of Nigeria.He was formerly a justice of the Nigerian courts of appeal and on 22 November 2011, he was appointed to the bench of the supreme court of Nigeria. He was appointed substantive Chief Justice of Nigeria on 27 June 2022 following the resignation of incumbent Chief Justice Tanko Muhammad and formally confirmed Chief Justice by the Nigerian Senate on 21 September 2022.