Jewish War can refer to:
- The First Jewish–Roman War of 66–73 AD (see also Jewish–Roman wars)
- The Jewish War, book about the war by the 1st-century Jewish historian Josephus
- An anti-Semitic campaign by Polish newspaper Gazeta Warszawska known as The Jewish war of 1859
- Antisemitic canard that Jews cause wars
- Jewish war conspiracy theory, a conspiracy theory asserting that World War II was caused by Jews