Is Kotarou a boy or girl name?
Kotarou is listed as a girl name in our name lists. It is recorded in Japan. Kotarou is too rare in US Social Security records for us to chart.
Kotarou 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 Kotarou is recorded
A country here means the name is recorded there. It is not a ranking.
Names that start like Kotarou
This page shows only what our lists record for Kotarou. We do not publish name meanings or origins. Sources and method.