Family name ゆたか (Yutaka 
, ゆたか) , in the entire world, is quite a common last name. The family name ゆたか is habitual in Japan, where it is quite a rare surname, Taiwan, and Singapore, where it is a rare surname. Measured by absolute frequency, the name is most common in Eastern Asia, particularly Japan, China, and Taiwan. Also, ゆたか is the forename as well as the last name.