In the Unknown origin, Finnen means "Finnen \f(in)-nen\ as a boy's name.
The baby name Finnen sounds like Finian, Fionan, Finnian and Finan. Other similar baby names are Fionn, Finnley, Finnlea, Finn, Finley, Finlee, Finlea, Fintan, Finnegan, Kannen, Kienen, Tannen and Tynnen."