XDB may refer to:
Software
edit- xBase (xDB) - a family of database management systems and related programming languages
- Xbase (formerly known as XDB) - a software library from the xBase family
- XDB Enterprise Server - a historical product from the xBase family
- Oracle XML DB - an Oracle Database feature
- EMC Documentum xDB - a native XML database
Other
edit- Gare de Lille Europe (XDB IATA code) - a railway station and an international airport in Lille, France.