Sveinn

 ( Masculine Given Names ) 

Sveinn (; ) is a given name. Notable people with the given name include:

• 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 (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

• Svein
• Sven
• Sweyn