The Danish West Indies or Danish Virgin Islands or Danish Antilles were a Danish colony in the Caribbean, consisting of the islands of Saint Thomas with 32 square miles (83 km2); Saint John with 19 square miles (49 km2); and Saint Croix with 84 square miles (220 km2). The islands have belonged to the United States as the Virgin Islands since they were purchased in 1917. Water Island was part of the Danish West Indies until 1905, when the Danish state sold it to the East Asiatic Company, a private shipping company.

Denmark and the former real union of Denmark–Norway had a colonial empire from the 17th through the 20th centuries, large portions of which were found in the Americas. Denmark and Norway in one form or another also maintained land claims in Greenland since the 13th century, the former up through the twenty-first century.