Name Riichirō Gender Masculine Usage Japanese Scripts 理一郎, etc.(Japanese Kanji) Pronounced Pron. /ɾi.i.t͡ɕi.ɾo̞ː/ Other Forms FormsRiichiro Edit Status Status Meaning & History From Japanese 理 (ri) "reason, logic" combined with 一 (ichi) meaning "one" and 郎 (rō) "son". Other combinations of kanji can also form this name.