Mengmao is a city town of Ruili, Yunnan, China.

Mengmao or Mongmao is may refer to:

• Ruili, city of Yunnan, China, with the Tai Nuea name of "Mengmao"
  • Möng Mao, ancient state based in Ruili during 13c. to 15c.
  • Chiefdom of Mengmao, tusi chiefdom based in Ruili during 17c. to 20c.
• Mongmao, a town in Wa state, Myanmar
  • Mongmao Township, a township in Wa state, Myanmar