Heininen

== Finnish == === Etymology === From a vernacular form of Middle High German Heinrich +‎ -nen. === Pronunciation === IPA(key): /ˈhei̯ninen/, [ˈhe̞i̯nine̞n] Rhymes: -eininen Syllabification(key): Hei‧ni‧nen Hyphenation(key): Hei‧ni‧nen === Proper noun === Heininen a Finnish surname ==== Declension ==== ==== Derived terms ==== ==== Statistics ==== Heininen is the 1425th (tied with 2 other surnames) most common surname in Finland, belonging to 595 individuals, according to August 2025 data from the Digital and Population Data Services Agency of Finland. === References ===