Cognomen 朗迪 (朗迪 
, Laundy 
) , around the world, is a rare surname. The family name 朗迪 is habitual in Australia, where it is a rare surname, the United Kingdom, and Canada, where it is a very rare surname. Not in comparison with a country's population, this name is the most popular in Australia, the United Kingdom, and the United States. Much less frequently, 朗迪 is the forename as well as the last name.