Inisa, town, Osun state, southwestern Nigeria, near a station on the railroad from Lagos, some 135 miles (215 km) to the southwest. Situated on the road from Ikirun to Offa and Ilorin, Inisa is a local market centre (yams, cassava [manioc], corn [maize], pumpkins, beans, okra) for a savanna region that is mainly inhabited by the Yoruba people. It also serves as a collecting point for cash crops (cotton and tobacco). Inisa has a government secondary school and a health office and maternity clinic. Pop. (2008 est.) 22,589.