Family name মাছ (Mas 
, মাছ 
) , all over the world, is a common last name. The family name মাছ is characteristic of Reunion, where it is quite a common surname, Monaco, and Brunei (explore the name in all countries). Measured by absolute frequency, it is commonest in Indonesia, Spain, and France. Also, মাছ is the forename as well as the last name.