Svínoy (Faroese pronunciation: [ˈsvʊinɪ], Danish: Svinø) is an island in the north-east of the Faroe Islands, to the east of Borðoy and Viðoy.

It takes its name from Old Norse, Svíney, meaning "Swine Isle".

Svinoy also refers to a section of the ocean where North Atlantic water flows into the Norwegian Sea.

Svínoy like Kalsoy is a comparatively isolated island, in that there are no bridge, tunnel or causeway links to it.

The coastline of the island has been identified as an Important Bird Area by BirdLife International because of its significance as a breeding site for seabirds, especially European storm petrels (25,000 pairs), Atlantic puffins (10,000 pairs) and black guillemots (100 pairs).