Meaning of Michi. Japanese name. In Japanese, the name Michi means-righteous way.The name Michi originated as an Japanese name. The name Michi is most often used as a girl name or female name.Japanese Name Meaning-righteous way. Origin-Japan.apanese name. In Japanese, the name Michi means-righteous way.The name Michi originated as an Japanese name. The name Michi is most often used as a girl name or female name. Japanese Name Meaning-righteous way.