List of highways numbered 551

The following highways are numbered 551:

Canada

 * Ontario Highway 551.svg Highway 551

Finland

 * Finland road sign F31-551.svg National Highway 551 (Finland)

Korea, South

 * Korea Expressway No.551.svg Jungang Expressway Branch

Norway

 * Norwegian National Road 551

United States

 * County 551.svg County Route 551 (New Jersey)
 * Erie County 551 NY.svg County Route 551 ((Erie County, New York))
 * OH-551.svg Ohio State Route 551
 * OR 551.svg Oregon Route 551
 * PA-551.svg Pennsylvania Route 551
 * Ellipse sign 551.svg Puerto Rico Highway 551