Cognomen ไหร่ (Rai 
, ไหร่) , globally, is a prevalent family name. The surname ไหร่ is characteristic of Bhutan, where it is a prevalent surname, Nepal, and Qatar, where it is a widespread surname (explore the name in all countries). Not in comparison with a country's population, the name is most common in India, Nepal, and Saudi Arabia. Much less frequently, ไหร่ is the forename as well as the last name.