General elections were held in Dominica on 5 May 2005. The result was a victory for the ruling Dominica Labour Party, which won 12 of the 21 seats in the House of Assembly. The opposition United Workers' Party unsuccessfully made legal challenges to several of the constituency results.

Dominica, officially the Commonwealth of Dominica, is an island country in the Caribbean. It is part of the Windward Islands chain in the Lesser Antilles archipelago in the Caribbean Sea. The capital, Roseau, is located on the western side of the island. Dominica's closest neighbours are two constituent territories of the European Union, the overseas departments of France, Guadeloupe to the northwest and Martinique to the south-southeast. Dominica comprises a land area of 750 km2 (290 sq mi), and the highest point is Morne Diablotins, at 1,447 m (4,747 ft) in elevation. The population was 71,293 at the 2011 census.