Save Type Surname (from nickname) Usage Ukrainian, Russian Scripts Незнайко(Ukrainian, Russian) Pronounced Pron. /nɛ.ˈznɑɪ̯.kɔ/(Ukrainian) /nʲɪ.ˈznaɪ̯.kə/(Russian) [key·simplify] Other Forms FormsNeznaiko Meaning & History Means "unknown", from Ukrainian and Russian не знай (ne znay), meaning "don't know".