546 (disambiguation)

546 may refer to:


 * the year 546 AD

Any of the following American roads:
 * KY 546, a former state highway in Kentucky
 * LA 546, a state highway in Louisiana
 * Route 546, a state highway in Maryland
 * CR546, a county route in the state of New Jersey
 * Erie County Route 546, a county route in the state of New York
 * Route 546, a state highway in Ohio
 * Route 546, a state highway in Pennsylvania
 * Route 546, a state highway in Washington

Or, Secondary Highway 546 in the Algoma District of Ontario, Canada.