Halvdan
Halvdan is a given name. Notable people with the name include:
- Halvdan Aarsrud, Norwegian bailiff and politician for the Labour Party
- Halvdan the Black, ninth-century king of Vestfold
- Halvdan Wexelsen Freihow, Norwegian priest and culturist
- Halvdan, runemaster in mid-11th century Södermanland, Sweden
- Lie, Trygve Halvdan, Norwegian politician, labour leader, government official and author
- Halvdan Holbø, Norwegian painter
- Halvdan Koht, Norwegian historian and politician representing the Labour Party
- Halvdan Ljøsne, Norwegian painter
- Halvdan Sivertsen, Norwegian singer-songwriter and guitarist
- Halvdan Skard, Norwegian politician for the Labour Party
- Halvdan Eyvind Stokke, Norwegian railway director and politician
