M road may refer to:

• Motorways:
  • Motorways in Hungary
  • Motorways in the United Kingdom
  • Motorways in the Republic of Ireland
• M road in Australia are primary roads
• M roads in Malaysia are roads in Melaka
• M road in the USA may refer to
  • List of state trunklines in Michigan
  • Corridor M, part of the Appalachian Development Highway System
• M roads in Ukraine are international highways
• M roads in Zambia
• M roads in Zimbabwe