斯堪的纳维亚半岛（丹麦语：Skandinaviske halvø，瑞典语：Skandinaviska halvön，挪威语：Den skandinaviske halvøy，芬兰语：Skandinavian niemimaa），位于欧洲西北角，其濒临波罗的海、挪威海及北欧巴伦支海，与俄罗斯和芬兰北部接壤，北至芬兰，斯堪的纳维亚半岛有两个国家即西部的挪威和南边的瑞典，斯堪的纳维亚山脉横恒于两个国家之间，整个半岛长1850公里，面积75万平方公里，是欧洲最大的半岛，半岛西部属山地，西部沿岸陡峭，多岛屿和峡湾；东、南部地势较平整，半岛的气候属温带气候，其北端严寒。

The Scandinavian Peninsula (Swedish:Skandinaviska Halvön; Norwegian:Skandinaviske Halvøy; Finnish:Skandinavian niemimaa; Northern Sami:?; Russian:Скандинавский полуостров, Skandinavsky poluostrov) is a peninsula in Northern Europe, which covers the whole mainland of Sweden, nearly all the mainland of Norway, northwestern Finland as well as the narrow area to northwest from Kaitakoski, Jäniskoski and Rajakoski both Borisoglebsky settlement in Russia.