The name Fort Nassau was used by the Dutch in the 17th century for several fortifications, mostly trading stations, named for the House of Orange-Nassau.
- Banda Islands on the island Banda Naira, constructed in 1609.
- Albany, New York or nearby in 1614 for the Indian trade. Later replaced by Fort Orange.
- Gloucester, New Jersey in 1626 also for the Indian trade.
- Senegal, along with Fort Oranje constructed on an island purchased from the head of a local tribe.
- Ghana, along with Fort Oranje and Fort Amsterdam. Later used for the slave trade. Probably constructed in the late sixteenth or early seventeenth century.
- In the Netherlands at Aardenburg in Zeeland, originally named Fort Nieuw Terhofstede, together with the inevitable Fort Oranje constructed in 1621-1622.
- On a hill on the Caribbean island of Curaçao near Willemstad, later converted to a restaurant.
- In addition, a Fort Nassau in The Bahamas, under British control, was the site of a naval action and amphibious landing during the American Revolutionary War in 1775.
New Netherland
Fort Nassau | Fort Nassau