Isin is a Local Government Area (LGA) in Kwara state, Nigeria. Isin Local Government came into existence on the 6th, December, 1996. It was carved out of the old Irepodun Local Government during the late General Sanni Abacha's military administration, with the headquarters at Owu-Isin. It comprises of the following towns and villages among others: Isanlu-Isin, Ijara-Isin, Oke-Onigbin, Edidi, Alla, Iwo, Iji-Isin, Owu-Isin, Oke-Aba, Pamo, Odo-Eku, Oba-Isin, Kudu-Owode, Olla, Igbesi, Oponda, Sabaja, Iwo, Odu-Ore, Oke-Oyi, Eleyin.
The people of Isin Local Government are a sub-group of Yoruba of Igbominas located at the centre of Igbomina land. Isin Local Government occupies the south central part of what is known as Igbominaland in the North Western, (i.e. Eku-Osi) part of Yoruba and has the richest culture of both Igbomina language and relics of the traditional rituals of the old days. Some of these are Agbasin, Egungun and Aworoko festivals.