In the world, Alexander Gustavo (Alexander Gustavo 
) is a rare masculine given name. The first name Alexander Gustavo is habitual in Latin America and the Caribbean, particularly Costa Rica, where it is a rare boy's name, Peru, and Chile. Much less frequently, Alexander Gustavo is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| Alexander Gustavo | Argentina, Costa Rica, Peru, Ecuador, Chile |