HSwMS Stockholm (P11) is a patrol vessel belonging to the Swedish Navy. Together with her sister ship HSwMS Malmö, she forms the Stockholm class. Stockholm was delivered on 1 March 1985 as the lead ship for a surface combat flotilla. In 2002, a mid-life upgrade was carried out and in 2010, Stockholm is included together with sister ship in the 31st Corvette Division in the 3rd Naval Warfare Flotilla. In 2016, Stockholm was rebuilt into a Malmö-class patrol vessel.

The Swedish Navy is the maritime service branch of the Swedish Armed Forces. It is composed of surface and submarine naval units – the Fleet – as well as marine units, the Amphibious Corps.