Ìlàje is a Local Government Area in Ondo State, South-West Nigeria. Its headquarters are in the town of Igbokoda.

The Ilajes are a distinct migratory coastal linguistic group of Yoruba peoples spread along the coastal belts of Ondo, Ogun, Lagos and Delta states and originally made up of four geo-political entities, namely: Ode Ugbo, Ode Mahin, Ode Etikan and Aheri. While most towns and villages in the Mahin kingdom (Ode Mahin) are distributed on arable lands, the towns and villages in the other three polities of Ugbo, Aheri and Etikan kingdoms are spread out along the beaches and swampy terrain of the Atlantic Ocean coast.

Ilaje has an estimated population of 445,200