Throughout the world, Denku (Denku 
) is quite a common boy's given name. The given name Denku is characteristic of Ethiopia, where it is quite a rare male name, and India, where it is an extremely rare boy's name. Much less frequently, Denku is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| Denku | Ethiopia, Saudi Arabia, Malaysia, United States, India |