The States of Gelderland are the States-Provincial for the Dutch province of Gelderland. It forms the legislative body of the province. Its 55 seats are distributed every four years in provincial elections. From 2005 till early 2019, it was chaired by Clemens Cornielje (VVD).

Gelderland, also known as Guelders in English, is a province of the Netherlands, occupying the centre-east of the country. With a total area of 5,136 km2 (1,983 sq mi) of which 176 km2 (68 sq mi) is water, it is the largest province of the Netherlands by land area, and second by total area. Gelderland shares borders with six other provinces and the German state of North Rhine-Westphalia.