The butterflies of Finland include all species of butterflies (Papilionoidea) (including skippers, which were formerly considered a separate superfamily Hesperioidea but nowadays are included in Papilionoidea) which have been recorded in Finland. The local butterfly fauna includes 121 species of butterflies, 10 of which are skippers. However, some species have been reported only once.
As of 2010 [update] , the butterfly fauna of Finland included two species classified as critically endangered (CR), 12 species as endangered (EN) and 10 species as vulnerable (VU). [1] Out of all 26 lepidopteran species which are protected by law under the Nature Conservation Decree, 18 species appear on this list.