Cossonay District District d'Échallens
District
Flag Coat of arms
Country	Switzerland
Canton	Vaud
Capital	Échallens
Area
• Total	136.67 km2 (52.77 sq mi)
Population  (2006)
• Total	21,763
• Density	160/km2 (410/sq mi)
Time zone	UTC+1 (CET)
• Summer (DST)	UTC+2 (CEST)
Municipalities	29

Échallens District was a district of the Canton of Vaud, Switzerland. The seat of the district was the town of Échallens.

The district was dissolved on 31 August 2006 and all the municipalities transferred to the new Gros-de-Vaud District on the following day.^[1]

The following municipalities were located within the district:

• Assens
• Bercher
• Bioley-Orjulaz
• Bottens
• Bretigny-sur-Morrens
• Cugy
• Dommartin
• Échallens
• Éclagnens
• Essertines-sur-Yverdon
• Étagnières
• Fey
• Froideville
• Goumoens-la-Ville
• Goumoens-le-Jux
• Malapalud
• Morrens
• Naz
• Oulens-sous-Échallens
• Pailly
• Penthéréaz
• Poliez-le-Grand
• Poliez-Pittet
• Rueyres
• Saint-Barthélemy
• Sugnens
• Villars-le-Terroir
• Villars-Tiercelin
• Vuarrens

46°38′N 6°38′E / 46.633°N 6.633°E / 46.633; 6.633