Cognomen 耶鲁 (Yale 
, 耶鲁 ) , all over the world, is quite a common family name. The cognomen 耶鲁 is characteristic of Bolivia, where it is quite a rare surname, Papua New Guinea, and Ivory Coast. In absolute terms, this name is the most popular in the United States, the Democratic Republic of the Congo, and Nigeria. Likewise, 耶鲁 is the forename as well as the last name.