Sveinn (; ) may refer to: * Sveinn Björnsson (1881–1952), the first president of the Republic of Iceland * Sveinn Einarsson (born 1934), best known for championing and cultivating professional theatre in Iceland *

Sveinn Hákonarson Sweyn Haakonsson (Old Norse: ''Sveinn Hákonarson'', no, Svein Håkonsson) (died c. 1016) was an Earls of Lade, earl of the house of Hlaðir and co-ruler of Norway from 1000 to c. 1015. He was the son of earl Hákon Sigurðarson. He is first ment ...

(died 1016), earl of the house of Hlaðir and co-ruler of Norway from 1000 to c. 1015 * Sveinn Pálsson, Icelandic physician and a naturalist who carried out systematic observations of Icelandic glaciers in the 1790s * Sveinn Rúnar Sigurðsson (born 1976), Icelandic composer music in styles ranging from modern classics to pop * Sveinn Thorvaldson (1872–1950), politician in Manitoba, Canada

See also