Delfshaven is a borough of Rotterdam on the right bank of river Nieuwe Maas, in South Holland. It was a separate municipality until 1886.
The town of Delfshaven grew around the port of the city of Delft. Delft itself was not located on a major river, so in 1389 a harbour was created about 10 km (6 mi) due south of the city, to be able to receive seafaring vessels and avoid tolls being levied by the neighbouring and competing city of Rotterdam. This settlement was named Delfshaven ("Port of Delft").
In July 1620 the Pilgrim fathers left Delfshaven with the Speedwell. Since then, the town's Oude Kerk has also been known as the Pelgrimskerk, or in English, the "Pilgrim Fathers Church".
Fishing, shipbuilding and the distillery of jenever were the main sources of income. The Dutch East India Company had important wharfs and warehouses in Delfshaven, and one of the Dutch West India Company's most famous commanders, Piet Hein, was born here.
Delfshaven belonged to the city and municipality of Delft until 1811, when it became a separate municipality. Delfshaven was annexed to Rotterdam in 1886 at its own request. The current borough has some 73,000 inhabitants. Its historic centre has been carefully preserved and houses a number of museums, a brewery and many dining and drinking facilities.