1. Canada

2. India

3. Japan

4. United States

The following highways are numbered 156:

Canada

• Prince Edward Island Route 156 (Palmer Road)

India

• National Highway 156 (India)

Japan

• Japan National Route 156

United States

• U.S. Route 156 (former)
• Alabama State Route 156
• Arkansas Highway 156
• California State Route 156
• Connecticut Route 156
• Georgia State Route 156
• Illinois Route 156
• Indiana State Road 156
• Iowa Highway 156 (former)
• K-156 (Kansas highway)
• Kentucky Route 156
• Louisiana Highway 156
• Maine State Route 156
• Maryland Route 156
• M-156 (Michigan highway)
• Minnesota State Highway 156
• Missouri Route 156
• Nevada State Route 156
• New Hampshire Route 156
• New Jersey Route 156
• New Mexico State Road 156
• New York State Route 156
• Ohio State Route 156 (former)
• Oklahoma State Highway 156
• Pennsylvania Route 156
• Tennessee State Route 156
• Texas State Highway 156
  • Texas State Highway Spur 156
• Utah State Route 156
• Virginia State Route 156
• Wisconsin Highway 156
• Wyoming Highway 156

• Puerto Rico Highway 156

• List of mayors of Victoria, British Columbia
• List of mayors of Vienna
• List of mayors of Warsaw
• List of mayors of Washington D.C.
• List of mayors of Washington, D.C.
• List of mayors of Williamsport, Pennsylvania
• List of mayors of Windsor, Ontario
• List of mayors of Winnipeg
• List of Mazda engines
• List of Mazda platforms
• List of Mazda vehicles
• List of maze chase games
• List of MBTA bus routes
• List of MBTA bus routes in East Boston, Chelsea, and Revere
• List of MBTA bus routes in South Boston
• List of McMaster University people
• List of McMenamins brewpub locations
• List of measures of inequality
• List of measuring devices
• List of mechanical engineers
• List of Medal of Honor recipients
• List of medals
• List of media affected by the September 11, 2001 attacks
• List of media based on Arthurian legend
• List of media players