Cognomen Alenso (Alenso 
) , worldwide, is a very rare surname. The surname Alenso is habitual in Venezuela, where it is a very rare surname, France, where it is an extremely rare surname, and Philippines. Also, Alenso is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Alenso | Germany, Philippines, India, France, Venezuela |