The Java War (1825–30) was fought between the Diponegoro and the Dutch Empire.
Java War may also refer to:
- First Javanese War of Succession (1704–07), civil war
- Second Javanese War of Succession (1719–23), civil war
- Java War (1741–43), between the Javanese and Dutch
- Third Javanese War of Succession (1749–57), civil war
- Invasion of Java (1811), between the British and Dutch