Cognomen Mettā (មេត្តា 
, မေတ္တာ 
, Mettā) , around the globe, is a rare family name. The family name Mettā is characteristic of South-eastern Asia, particularly Myanmar, where it is quite a rare surname, and Cambodia, where it is a rare surname. More prevalently, Mettā is the forename as well as the last name.