Cognomen Yanoi (Yanoi 
) , all over the world, is a rare last name. The family name Yanoi is characteristic of Thailand, where it is a rare surname, Honduras, where it is a very rare surname, and Venezuela, where it is an extremely rare surname. In absolute terms, the name is most common in Thailand, the United Kingdom, and Honduras. Much less frequently, Yanoi is the forename as well as the last name.