University of Ilorin, also known as Unilorin, is a federal government-owned university in Ilorin, Kwara State, Nigeria. The university sits on an expansive area of land, about 15,000 hectares in the ancient city of Ilorin; making it the largest university in Nigeria and one of the largest in Africa by landmass. The university comprises 17 faculties and over 100 academic departments. It was established by a decree of the federal military government in August, 1975. The establishment aimed to implement one of the educational directives of the Third National Development Plan, which was aimed at providing more opportunities for Nigerians aspiring to acquire university education and to generate high-level manpower, which is vital for the rapidly expanding economy. Compared to other higher institutions of learning in the country, the institution has one of the largest land areas, covering approximately 15,000 hectares of land. It is reported by Joint Admission Matriculation Board (JAMB) to be the most sought-after Nigerian university in 2021. And again in 2023, it was announced by the JAMB Head, Professor Ishaq Oloyede to be the sought-after University, for the 2023 Unified Tertiary Matriculation Examinations (UTME), making it for the 10th consecutive year.

Ilorin is the capital city of Kwara State located in the Western region of Nigeria. As of the 2006 census, it had a population of 777,667, making it the 7th largest city by population in Nigeria.