List of public transport routes numbered 2
In public transport, Route 2 may refer to:
- Barcelona Metro line 2
- KMB Route 2 in Hong Kong
- NWFB Route 2 in Hong Kong
- London Buses route 2
- Line 2 (Madrid Metro)
- Line 2 Orange (Montreal Metro)
- 2 (New York City Subway service)
- Seoul Subway Line 2
- Shanghai Metro Line 2
- Southern Vectis route 2, a bus route running between Newport and Ryde on the Isle of Wight.