In all the world, Ватару (渡 
, Wataru 
, Vataru 
) is quite a rare mostly masculine, but uncommonly female given name. The forename Ватару is habitual in Japan, where it is quite a rare masculine name, China, where it is a rare largely masculine, but seldom girly name, and the United States, where it is a very rare predominantly male, but very seldom female name. Measured by absolute frequency, this name is the most popular in China, Japan, and India. Also, Ватару is the last name as well as the forename.
Ватару is also a name for the fictitious and mythical characters: Wataru Takagi , the fictional character from Detective Conan and Wataru Kurenai .