Yes! While setting up your project, you can either choose to collect mentions coming in Any language or one of your choice from the list
At the moment, these are the languages that we can filter your results with
English
Arabic
Croatian
Czech
Danish
Dutch
Finnish
French
German
Hungarian
Indonesian
Italian
Korean
Norwegian
Polish
Portuguese
Romanian
Russian
Slovak
Spanish
Swedish
Thai
Turkish
Vietnamese
If you want to change the setting afterwards e.g. insted of getting only English results, you want to have a look at results coming from other languages as well, you can easily change that in your Project settings:
Remember to click save on your way out :)