Atakunmosa West is a Local Government Area in Osun State, Nigeria. Its headquarters are in the town of Osu (or Oshu) in the north of the area at. Dare Ajumobi Raphael is the current chairman of the council.
It has an area of 577 km and a population of 68,643 at the 2006 census.
The postal code of the area is 233.
Atakunmosa West Central Local Council Development Area (LCDA) was created out Atakunmosa West for administrative convenience, better development planning and to bring government closer to the grassroot. The LCDA is created by the Government of Osun State and is responsible for the funding of the council. The LCDA is headed by a chairman, vice chairman and other executive and legislative branches similar to the federally recognized local councils. the current chairman of the LCDA is Olufemi Oyeleye.