Family name Langdown (Langdown 
) , around the globe, is a rare last name. The surname Langdown is characteristic of Isle of Man, where it is quite a rare surname, the United Kingdom, where it is a rare surname, and Australia. In absolute terms, this name is the most popular in the United Kingdom, South Africa, and Australia. Much less frequently, Langdown is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Langdown | United Kingdom, South Africa, Spain, Australia, Canada |