Cognomen Alexa Johanna (Alexa Johanna 
) , throughout the world, is an extremely rare last name. The surname Alexa Johanna is habitual in Spain, where it is a very rare surname, and Chile, where it is an extremely rare surname. More prevalently, Alexa Johanna is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Alexa Johanna | Philippines, Spain, Chile, Ecuador, Costa Rica |