Family name ライ (Rai 
, Lai , Lok , and others...) , in the world, is a prevalent last name. The family name ライ is habitual in Bhutan, where it is a prevalent surname, Nepal, and Hong Kong (explore the name in all countries). Not in comparison with a country's population, this name is the most popular in India, China, and Nepal. Very seldom, ライ is the forename as well as the last name.