Kotaro is a unisex Japanese given name that has been used traditionally for both boys and girls. Its meaning can vary depending on its kanji components, but some common interpretations include "happiness" (幸), "child" (子), and "person" (人). The name Kotaro is often written in hiragana as こたろう or kotarou. It gained international popularity through characters like Kotaro Osakabe from the anime series "Dr. Slump" created by Akira Toriyama.
Kotaro has been a relatively uncommon name for babies born in the years listed, with the highest number of births recorded being 15 in 2010 and the lowest being 5 on multiple occasions (1919, 2019, 2022). The total number of Kotaro births between 1919 and 2023 is 194.