Cognomen มาร์ส (Ma 
, Mars 
, มาร์ส 
) , worldwide, is a prevalent family name. The cognomen มาร์ส is characteristic of Mongolia, where it is a prevalent surname, Hong Kong, where it is a widespread surname, and Bermuda (explore the name in all countries). Measured by absolute frequency, it most frequently occurs in China, India, and Myanmar. Much less frequently, มาร์ส is the forename as well as the last name.