Bankkajen (Swedish: The Bank Quay) is a quay and a street passing along the western shore of the islet Helgeandsholmen in Gamla stan, the old town in central , Sweden.
The name was adopted in 1925, after other proposals such as Banknäset ("Bank Neck") and Bankstranden ("Bank Shore") had been investigated. The quay was reinforced in 2002.
Coordinates: 59°19′38.2″N 18°04′0.9″E / 59.327278°N 18.066917°E