Grand Council may refer to:
Grand Council (Qing dynasty), an important policy-making body in the Qing Empire
Great Council of Venice, legislative body that existed from 1172 to 1797
Grand Conseil, two institutions during the Ancien Régime in France
Grand Council (Switzerland), a unicameral legislative style adopted by a number of cantons in Switzerland.
Grand Council also refers to the enlarged legislative body in the cities of the Old Swiss Confederation between the 14th and early 16th centuries, and later served as one of two chambers of the Helvetic Republic parliament from 1798 to 1800.
Grand Council of Fascism, the main body of Mussolini's Fascist government in Italy
Grand Council of the Crees, the political body that represents the approximately 14,000 Crees of the James Bay and Nunavik regions
Grand Council (Mi'kmaq)
Grand Council on the Auglaize River 1792, and again in 1793, by the Western Confederacy during the Northwest Indian War