Werkendam (Dutch pronunciation: [ˌʋɛrkə(n)ˈdɑm] ) is a town and a former municipality in southern Netherlands. The municipality, part of Land van Heusden en Altena, contained a large part of De Biesbosch area as it is located in the province of North Brabant. On 1 January 2019 it joined Woudrichem and Aalburg in the new municipality of Altena.

• Dussen
• Hank
• Nieuwendijk
• Sleeuwijk
• 't Zand
• Werkendam

Dutch Topographic map of the municipality of Werkendam, 2013.

Public transport is by Veolia neighborhood bus to Gorinchem through Sleeuwijk Tol, and by ferry to Boven-Hardinxveld. The bus between Utrecht and Breda, and the bus between Gorinchem and Den Bosch goes through Sleeuwijk Tol.

For road traffic to Dordrecht there is a ferry to cross the Nieuwe Merwede river.

• Gijsbert van Tienhoven (1841 in De Werken – 1914), Prime Minister of the Netherlands 1891–1894
• Anton Mussert (1894 in Werkendam – 1946), one of the founders of the National Socialist Movement in the Netherlands (NSB) and its formal leader (executed)
• Cornelis Pieter van den Hoek (1921 in Leerdam – 2015 in Werkendam), resistance fighter (line-crosser), lived in Werkendam
• Adri van Heteren (born 1951 in Gouda), SGP party chair and Christian minister (in Werkendam)
• Rebekka Kadijk (born 1979 in Werkendam), professional beach volleyball and indoor volleyball player, competed in the 2000 and 2004 Summer Olympics

• Media related to Werkendam at Wikimedia Commons
• (in Dutch) Official website