Cognomen Humayou (Humayou 
) , in the world, is a rare last name. The surname Humayou is characteristic of Pakistan, where it is a rare surname, France, where it is a very rare surname, and India, where it is an extremely rare surname. Much less frequently, Humayou is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Humayou | United Kingdom, United States, Pakistan, India, France |