List of public transport routes numbered 6

In public transport, Route 6 may refer to:


 * Route 6 (MTA Maryland), a bus route in Baltimore, Maryland
 * Barcelona Metro line 6
 * London Buses route 6
 * Line 6 (Madrid Metro)
 * Melbourne tram route 6
 * 6 (New York City Subway service)
 * Seoul Subway Line 6
 * Shanghai Metro Line 6