Surname Энао (Henao 
, Enao 
, Энао 
) , around the world, is a widespread family name. The surname Энао is characteristic of Colombia, where it is a common surname, Panama, where it is quite a rare surname, and Papua New Guinea. Measured by absolute frequency, the name is most common in Colombia, the United States, and Philippines. Very seldom, Энао is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Henao | Spain, Colombia, United States, Papua New Guinea, Venezuela |
| Enao | Spain, Philippines, Colombia, United States, Venezuela |
| Энао | Russia |