Dano-Swedish War may refer to:
- Dano-Swedish War (1470–71), Dane's invasion of Sweden by sea
- Dano-Swedish War (1501–1512), military conflict between Denmark and Sweden within the Kalmar Union
- Dano-Swedish War (1512-1520), Danish invasion of Sweden ending with Christian II of Denmark becoming king of Sweden
- Dano-Swedish War (1657–58), conflict between Sweden and Denmark–Norway during the Second Northern War
- Dano-Swedish War (1658–1660), continuation of the 1657 conflict between Sweden and Denmark–Norway
- Dano-Swedish War of 1808–1809, war between Denmark–Norway and Sweden during the Napoleonic Wars
- Dano-Swedish War (1813-1814), Swedish invasion and occupation of the Danish duchy’s of Schleswig and Holstein