Across the world, Dennis Adrian (Dennis Adrian 
) is a rare masculine given name. The first name Dennis Adrian is habitual in Costa Rica, where it is a rare male name, Afghanistan, and Peru, where it is a very rare male name. In absolute terms, this name is the most popular in Afghanistan, Costa Rica, and Philippines.
| VARIANT | COUNTRY |
|---|---|
| Dennis Adrian | Peru, Afghanistan, Ecuador, Philippines, Costa Rica |