Family name มั้ย (Mai 
, มั้ย) , around the globe, is a widespread last name. The last name มั้ย is characteristic of Macao, where it is a common surname, Vietnam, and Belize (explore the name in all countries). Measured by absolute frequency, it most frequently occurs in Pakistan, China, and Vietnam. Likewise, มั้ย is the forename as well as the last name.