Cognomen Denhan (Denhan 
) , in the world, is a very rare last name. The surname Denhan is habitual in Australia, where it is a very rare surname, the United Kingdom, and Argentina, where it is an extremely rare surname. In absolute terms, it is the most numerous in the United States, the United Kingdom, and Australia. Very seldom, Denhan is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Denhan | United Kingdom, Australia, India, United States, Nigeria |