Is Onsen a boy or girl name?
Onsen is listed as a boy name in our name lists. It is recorded in Sweden. Onsen is too rare in US Social Security records for us to chart.
Onsen was gathered with automated tools. It has not been checked against an official register and carries no counts, so treat the details on this page as unconfirmed. How the lists are made.
Where Onsen is recorded
A country here means the name is recorded there. It is not a ranking.
Names that start like Onsen
This page shows only what our lists record for Onsen. We do not publish name meanings or origins. Sources and method.