79%RatingSave Gender Feminine Usage Norwegian Meaning & History Possibly a modern coinage based on the Old Norse elements unnr "wave" or unna "to love" combined with nýr "new" [1]. Related Names User SubmissionUnni PopularityDetails Last ranked #96 in 1974 Norway Name DaysName Days? Norway: December 28 Categories anthropologists, love, modern Norwegian, water Sources & References Nordic Names Wiki, entry Unni_f, available from https://www.nordicnames.de/wiki/Unni_f.