General elections were held in Jersey on 19 October 2011 to elect 45 members of the States Assembly. This was the first time Senators, Deputies and Constables were elected on a single day in Jersey. The number of members of the States of Jersey was reduced from 53 to 51. Six Senators who had been elected in 2008 for a period of six years did not face election in 2011.

Jersey, officially known as the Bailiwick of Jersey, is an island country and self-governing British Crown Dependency near the coast of north-west France. It is the largest of the Channel Islands and is 14 miles (23 km) from the Cotentin Peninsula in Normandy. The Bailiwick consists of the main island of Jersey and some surrounding uninhabited islands and rocks including Les Dirouilles, Les Écréhous, Les Minquiers, and Les Pierres de Lecq.