N18
N18 or N 18 denotes:
- Route nationale 18 , national road in France
- N18 (Burkina Faso) , national road in Burkina Faso
- N18 (Cameroon) , trunk road in Cameroon
- N18 (Niger) , trunk road in Niger
- National Route 18 , national road in South Africa
- N18 (Togo) , trunk road in Togo
