The Jalumi War, also called the Battle of Inisa, was a battle that took place on 1 November 1878 in the northeast of present-day Osun State, Nigeria.
It was part of the larger conflict named the Ibadan War.
The forces of Ibadan were victorious in detail over a force of rebellious Yorubas including soldiers from Ilorin, Ekiti, Ila and Ijesha.
Despite the victory, fighting continued in the years that followed until the Ilorins were finally defeated in 1897.