Last name リュウ (Liu 
, リュウ 
, Ryu 
) , all over the world, is a prevalent cognomen. The last name リュウ is characteristic of Cayman Islands, where it is a prevalent surname, British Virgin Islands, and Bermuda (explore the name in all countries). In absolute terms, it is the most numerous in China, the United States, and Taiwan. Much less frequently, リュウ is the forename as well as the last name.