Yes! We have a few official translations in languages including French and Spanish, and we're currently working to expand that list. Check the current list of official translations for more info. If you don't see the language you need in the list, you can add your own translation.
MemberPress has official translations for the following languages:
French (France)
French (Belgium)
German
Italian
Japanese
Portuguese (Brasilian)
Spanish
You can access the languages documentation here.
EN 
ES 
FR 
DE 
PT 