Waterford City and County Council (Irish: Comhairle Cathrach agus Contae Phort Láirge) is the local authority of the City of Waterford and County Waterford in Ireland. It came into operation on 1 June 2014 after the 2014 local elections. It is a merger of Waterford City Council and Waterford County Council under the provisions of the Local Government Reform Act 2014. As a city and 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, amenities, arts and culture, and environment.
The council has 32 elected members. Elections are held every five years and are by single transferable vote. The head of the council has the title of Mayor. The city and county administration is headed by a chief executive, Seán McKeown. The administrative centres are Waterford and Dungarvan.