Helenius

== Finnish == === Etymology === From Swedish Helenius. === Pronunciation === IPA(key): /ˈhelenius/, [ˈhe̞le̞ˌnius̠] Rhymes: -ius Syllabification(key): He‧le‧ni‧us Hyphenation(key): He‧le‧ni‧us === Proper noun === Helenius a Swedish surname from Swedish ==== Declension ==== ==== Statistics ==== Helenius is the 190th most common surname in Finland, belonging to 3,671 individuals, according to August 2025 data from the Digital and Population Data Services Agency of Finland. == Swedish == === Etymology === (This etymology is missing or incomplete. Please add to it, or discuss it at the Etymology scriptorium.) === Proper noun === Helenius ? (genitive Helenius) a surname