Offaly County Council is the local authority of County Offaly, Ireland. As a county council, it is governed by the Local Government Act 2001. The council is responsible for housing and community, roads and transportation, urban planning and development, amenity and culture, and environment. The council has 19 elected members. Elections are held every five years and are by single transferable vote. The head of the council has the title of Cathaoirleach (chairperson). The county administration is headed by a chief executive, Anna Marie Delaney. The county town is Tullamore.

County Offaly is a county in Ireland. It is part of the Eastern and Midland Region and the province of Leinster. It is named after the ancient Kingdom of Uí Failghe. It was formerly known as King's County, in honour of Philip II of Spain. Offaly County Council is the local authority for the county. The county population was 82,668 at the 2022 census.