Depends on how you view it, I guess. Officially we are a bilingual country and everybody speaks both Finnish and Swedish, but practically since the Fenno-Swedish minority is only about 6% of the population and they're highly concentrated in specific areas, the vast majority of Finns don't speak Swedish all that well if at all. Sure, we all have mandatory "other national language" classes all the way up to university level, but if you rarely use the language outside some tests, it might as well be a foreign language. Been 20 years since my last Swedish class, and I need a dictionary to read anything but the simplest Swedish text and speaking it would be painful to say the least.

So, officially it's not a foreign language, but practically it might as well be

edit: here's how Finnish, Swedish and Sámi are distributed when looking at the official languages of municipalities https://en.wikipedia.org/wiki/Swedish-speaking_population_of_Finland#/media/File:Languages_of_Finnish_municipalities_(2016).svg