| 国土交通省 Ministry of Land, Infrastructure, Transport and Tourism |
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| 長官官房 Minister's Secretariat |
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| 官庁営繕部 Government Buildings Department |
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| 総合政策局 Policy Bureau |
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| 観光部 Tourism Department |
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| 情報管理部 Information and Research Department |
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| 国土計画局 National and Regional Planning Bureau |
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| 土地･水資源局 Land and Water Bureau |
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| 水資源部 Water Resources Department |
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| 都市･地域整備局 City and Regional Development Bureau |
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| 下水道部 Sewerage and Waste Water Management Department |
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| 河川局 River Bureau |
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| 砂防部 Erosion and Sediment Control Department (あるいは Sabo Department) |
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| 道路局 Road Bureau |
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| 住宅局 Housing Bureau |
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| 鉄道局 Railway Bureau |
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| 自動車交通局 Road Transport Bureau |
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| 技術安全部 Engineering and Safety Department |
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| 海事局 Maritime Bureau |
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| 港湾局 Ports and Harbours Bureau |
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| 航空局 Civil Aviation Bureau |
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| 監理部 Administration Department |
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| 飛行場部 Aerodrome Department |
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| 技術部 Engineering Department |
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| 管制保安部 Air Traffic Services Department |
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| 北海道局 Hokkaido Bureau |
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| 航空･鉄道事故調査委員会 Aircraft and Railway Accidents Investigation Commission |
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| 国土交通政策研究所 Policy Research Institute for Land, Infrastructure, Transport and Tourism |
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| 国土技術政策総合研究所 National Institute for Land and Infrastructure Management |
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| 国土交通大学校 College of Land, Infrastructure, Transport and Tourism |
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| 航空保安大学校 Aeronautical Safety College |
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| 国土地理院 Geographical Survey Institute |
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| 小笠原総合事務所 Ogasawara General Office |
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| 地方整備局 Regional Development Bureau |
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| 北海道開発局 Hokkaido Regional Development Bureau |
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| 地方運輸局･海運監理部 District Transport Bureaus |
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| 地方航空局 Regional Civil Aviation Bureaus |
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| 航空交通管制部 Air Traffic Control Centers |
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| 船員中央労働委員会 Central Labour Relations Commission for Seafarers |
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| 事務局 Secretariat |
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| 船員地方労働委員会 District Labour Relations Commissions for Seafarers |
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| 事務局 Secretariat |
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| 気象庁 Meteorological Agency |
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| 総務部 Administration Department |
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| 予報部 Forecast Department |
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| 観測部 Observations Department |
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| 地震火山部 Seismological and Volcanological Department |
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| 気候･海洋気象部 Climate and Marine Department |
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| 気象研究所 Meteorological Research Institute |
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| 気象衛星センター Meteorological Satellite Center |
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| 高層気象台 Aerological Observatory |
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| 地震観測所 Seismological Observatory |
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| 地磁気観測所 Magnetic Observatory |
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| 気象大学校 Meteorological College |
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| 管区気象台 District Meteorological Observatories |
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| 地方気象台 Local Meteorological Observatories |
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| 沖縄気象台 Okinawa Meteorological Observatory |
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| 地方気象台 Local Meteorological Observatories |
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| 海洋気象台 Marine Observatories |
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| 海上保安庁 Japan Coast Guard |
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| 総務部 Administration Department |
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| 装備技術部 Equipment and Technology Department |
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| 警備救難部 Guard and Rescue Department |
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| 海洋情報部 Hydrographic and Oceanographic Department |
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| 交通部 Maritime Traffic Department |
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| 海上保安大学校 Coast Guard Academy |
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| 海上保安学校 Coast Guard School |
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| 管区海上保安本部 Regional Coast Guard Headquarters |
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| 海難審判庁 Marine Accidents Inquiry Agency |
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| 高等海難審判庁 High Marine Accidents Inquiry Agency |
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| 地方海難審判庁 Local Marine Accidents Inquiry Agencies |
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| 海難審判理事所 Marine Accidents Inquiry Commissioner's Office |
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| 地方海難審判理事所 Local Marine Accidents Inquiry Commissioner's Offices |
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