The Departmental Council of Loire-Atlantique (, ), called the 'General Council of Loire-Inférieure' between 1800 and 1957, then 'General Council of Loire-Atlantique' until 2015, is the deliberative assembly of the French department of Loire-Atlantique. Its headquarters are in Nantes.
The president of the Loire-Atlantique departmental council has been Michel Ménard (PS) since July 1, 2021.
The president of the departmental council is assisted by 15 vice-presidents chosen from among the departmental councillors. Each of them has a delegation of authority.
The Loire-Atlantique departmental council includes 62 departmental councilors from each of the 31 cantons of Loire-Atlantique.
The departmental council has decentralized part of its services within six territorial delegations. These bring together services dedicated to solidarity, planning and local development.
The Hôtel de Département, adjoining the Hôtel de Préfecture de la Loire-Atlantique, located on the Quai Ceineray, is partly made up of two private mansions, the and the , dating from the <abbr>18th</abbr> century <abbr>and</abbr> the first half of the <abbr>19th century</abbr>.
The department's administrative services building, less than 100 meters from the department hall, dates from 2011, and was built on the site of Nantes' first power plant (1891), whose new building preserved three stone portals of the facade.