Surname Mhao (Mhao 
) , across the world, is a very rare last name. The surname Mhao is habitual in Myanmar, where it is a rare surname, Venezuela, where it is an extremely rare surname, and China. Not in comparison with a country's population, it is the most numerous in Myanmar, China, and India. More prevalently, Mhao is the forename as well as the last name.