Cognomen Interested (Interested 
) , across the world, is a very rare last name. The surname Interested is characteristic of Canada, where it is an extremely rare surname, the United States, and the United Kingdom. Not in comparison with a country's population, it is the most numerous in India, the United States, and Canada. Also, Interested is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Interested | United Kingdom, Canada, Australia, India, United States |