List of highways numbered 540
Route 540, or Highway 540, may refer to:
Canada
 Alberta Highway 540 Alberta Highway 540
 New Brunswick Route 540 New Brunswick Route 540
 Ontario Highway 540 Ontario Highway 540
 Quebec Autoroute 540 Quebec Autoroute 540
United Kingdom
United States
 Interstate 540 (disambiguation) Interstate 540 (disambiguation)
 Arkansas Highway 540 (former) Arkansas Highway 540 (former)
 Florida State Road 540 Florida State Road 540
 County Road 540 (Polk County, Florida) County Road 540 (Polk County, Florida)
 Georgia State Route 540 Georgia State Route 540
 Hawaii Route 540 Hawaii Route 540
 Maryland Route 540 Maryland Route 540
 County Route 540 (New Jersey) County Route 540 (New Jersey)
 North Carolina Highway 540 North Carolina Highway 540
 Ohio State Route 540 Ohio State Route 540
 Oregon Route 540 Oregon Route 540
 Virginia State Route 540 (1931) Virginia State Route 540 (1931)
 Puerto Rico Highway 540 Puerto Rico Highway 540
 Washington State Route 540 Washington State Route 540
| Preceded by 539 | Lists of highways 540 | Succeeded by 541 | 
  


