Aloysius Iyorgyer Katsina-Alu (28 August 1941 – 18 July 2018) was a Nigerian lawyer who served as Chief Justice of Nigeria. Katsina-Alu was born on August 28, 1941 in Benue State and he started his early education at St Anne’s Primary School Tarungwa and St. Patricks Primary School Taraku, before he went to Mount St. Michaels Secondary School Aliede, in Benue State. He later enrolled at the Nigerian Military Training College, Kaduna, in 1962, from where he moved over to Mons Military Training College, Aldershot, England. His interest in a military career was short-lived as he returned to the country to pursue a degree in law at the Ahmadu Bello University,Zaria.