X3
X3 or x3 stands for:
- InterNational Committee for Information Technology Standards, a standardization organization in the information technology, also known as the founding name Accredited Standards Committee X3, Information Technology
- The computer game X ³: Reunion or its successor X ³: Terran Conflict and its add-on, X ³: Albion Prelude from the series X (computer game)
- Foveon X3, an image sensor in digital photography
- BMW X3, a sport utility vehicle
- Airline TUIfly or the underlying company Hapag -Lloyd Express, as its IATA code
- A class of interference suppression capacitors
- A cat's face as an emoticon
- The version 13.0 of Corel Draw Graphics Suite
- AMD Phenom X3, a microprocessor
- Extra 3, a satirical program
- Eurocopter X3, a high-speed helicopter
- Alstom Coradia X3, a Swedish airport train
- Disambiguation
- Abbreviation