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In the world, Soichiro (Soichiro ) is a rare male first name. The given name Soichiro is habitual in Japan, where it is a rare boy's name, Indonesia, where it is a very rare male name, and the United States, where it is an extremely rare predominantly male, but scarcely feminine name. In absolute terms, it is commonest in Japan, Indonesia, and China. Also, Soichiro is the last name as well as the forename.
Soichiro is also a name for the fictitious and mythical characters: Soichiro Yagami , the fictional person from Death Note; Soichiro , the fictional dog, Maison Ikkoku; Soichiro Yabe , the Ao-chan Can't Study!'s character; Soichiro , the musical character in the musical Death Note: The Musical and Souichirou Otonashi , character in Maison Ikkoku.