Law in Japan@Colin_P_A_JonesThere is a pile of boring regulations on 旧姓併記 that confirm this. See, e.g. https://soumu.go.jp/main_sosiki/jichi_gyousei/daityo/kyuuji.html… https://mofa.go.jp/mofaj/press/release/press24_000081.html… https://moj.go.jp/MINJI/minji05_00608.html…mofa.go.jp旅券（パスポート）の旧姓併記について9:21 AM · Feb 11, 2026·123 Views14
