E18
E18 or E 18 may refer to:
- DR Class E 18 electric locomotives of the Deutsche Reichsbahn
- European Route 18, a highway from Enniskillen in Northern Ireland to Saint Petersburg in Russia
- HMS E18, a British submarine
- A thread form for incandescent lamps, see lamp base
- Lens error on the Canon Ixus and PowerShot Camera
- Disambiguation
- Abbreviation