Ilonen

== Finnish == === Etymology === ilo +‎ -nen === Pronunciation === IPA(key): /ˈilonen/, [ˈilo̞ne̞n] Rhymes: -ilonen Syllabification(key): I‧lo‧nen Hyphenation(key): I‧lo‧nen === Proper noun === Ilonen a Finnish surname ==== Declension ==== ==== Statistics ==== Ilonen is the 1537th (tied with 1 other surname) most common surname in Finland, belonging to 555 individuals, according to August 2025 data from the Digital and Population Data Services Agency of Finland.