|[[美国总统]]

|-

|[[乌尔苏拉·冯德莱恩|乌苏拉·冯德莱恩]]

|[[欧盟委员会主席|歐盟委員會主席]]

|[[越南总理]]

|-

!scope="row"|[[國際能源署]]

|[[法提赫·比羅爾]]<ref>{{cite web |date=13 April 2023 |author= |title=IEA provides analysis on wide range of fuels and technologies for Japan's G7 Presidency |url=https://www.iea.org/news/iea-provides-analysis-on-wide-range-of-fuels-and-technologies-for-japan-s-g7-presidency |website=[[International Energy Agency]] |access-date=14 April 2023 |archive-date=14 April 2023 |archive-url=https://web.archive.org/web/20230414155604/https://www.iea.org/news/iea-provides-analysis-on-wide-range-of-fuels-and-technologies-for-japan-s-g7-presidency |url-status=live }}</ref><ref>{{cite web |date=April 2023 |author= |title=IEA Contributions to the G7 in 2023 |url=https://www.iea.org/events/iea-contributions-to-the-g7-in-2023 |website=[[International Energy Agency]] |access-date=14 April 2023 |archive-date=14 April 2023 |archive-url=https://web.archive.org/web/20230414214219/https://www.iea.org/events/iea-contributions-to-the-g7-in-2023 |url-status=live }}</ref><ref>{{cite web |date=21 May 2023 |author= |title=IEA at the heart of world leaders' discussions on energy and climate at G7 Summit |url=https://www.iea.org/news/iea-at-the-heart-of-world-leaders-discussions-on-energy-and-climate-at-g7-summit |website=[[International Energy Agency]] |access-date=27 May 2023 |archive-date=2023-05-30 |archive-url=https://web.archive.org/web/20230530233345/https://www.iea.org/news/iea-at-the-heart-of-world-leaders-discussions-on-energy-and-climate-at-g7-summit |dead-url=no }}</ref>

|Executive Director

|-

!scope="row"|[[國際貨幣基金]]

|[[克里斯塔利娜·格奧爾基耶娃]]<ref name="Yomiuri_2023-04-10">{{cite web |date=10 April 2023 |title=IMF Head Shares Hopes for Japan's Leadership, Cites Fragmentation Risk |url=https://japannews.yomiuri.co.jp/business/economy/20230410-102604/ |website=[[Yomiuri Shimbun]] |access-date=11 April 2023 |archive-date=11 April 2023 |archive-url=https://web.archive.org/web/20230411065938/https://japannews.yomiuri.co.jp/business/economy/20230410-102604/ |url-status=live }}</ref>

|總裁

|-

!scope="row"|[[經濟合作暨發展組織]]

|[[Mathias Cormann]]<ref>{{cite web |date=24 January 2023 |author= |title=Working Lunch between Foreign Minister Hayashi and OECD Secretary-General Cormann |url=https://www.mofa.go.jp/press/release/press6e_000436.html |website=[[Ministry of Foreign Affairs (Japan)|MOFA, Japan]] |access-date=21 March 2023 |archive-date=21 March 2023 |archive-url=https://web.archive.org/web/20230321220033/https://www.mofa.go.jp/press/release/press6e_000436.html |url-status=live }}</ref>

|[[聯合國秘書長|秘書長]]

|-

!scope="row"|[[世界銀行]]

|[[David Malpass]]<ref>{{cite web |date=15 March 2023 |title=International Symposium "From Recovery to Growth: learning from Hiroshima's experience" |url=https://www.worldbank.org/en/events/2023/03/15/international-symposium-from-recovery-to-growth |website=[[World Bank]] |access-date=21 March 2023 |archive-date=21 March 2023 |archive-url=https://web.archive.org/web/20230321043448/https://www.worldbank.org/en/events/2023/03/15/international-symposium-from-recovery-to-growth |url-status=live }}</ref><ref name="WB_2023-05-20">{{cite web |date=20 May 2023 |title=Remarks by World Bank Group President David Malpass at the G7 Hiroshima Summit Side Event on the Partnership for Global Infrastructure and Investment |url=https://www.worldbank.org/en/news/speech/2023/05/20/david-malpass-g7-hiroshima-summit-side-event-partnership-global-infrastructure-and-investment |website=[[World Bank]] |access-date=22 May 2023 |archive-date=21 May 2023 |archive-url=https://web.archive.org/web/20230521121251/https://www.worldbank.org/en/news/speech/2023/05/20/david-malpass-g7-hiroshima-summit-side-event-partnership-global-infrastructure-and-investment |url-status=live }}</ref>

|[[President of the World Bank Group|President]]

|-

!scope="row"|[[世界衛生組織]]

|[[譚德塞]]<ref>{{cite web |date=20 October 2022 |author= |title=WHO Director-General's remarks at G7 Summit - Session 7: Common Endeavor for a Resilient and Sustainable Planet |url=https://www.who.int/director-general/speeches/detail/who-director-general-s-remarks-at-g7-summit---session-7--common-endeavor-for-a-resilient-and-sustainable-planet---20-may-2023 |website=[[World Health Organization]] |access-date=21 May 2023 |archive-date=2023-09-12 |archive-url=https://web.archive.org/web/20230912211224/https://www.who.int/director-general/speeches/detail/who-director-general-s-remarks-at-g7-summit---session-7--common-endeavor-for-a-resilient-and-sustainable-planet---20-may-2023 |dead-url=no }}</ref>

|[[世界衛生組織秘書長|秘書長]]

|-

!scope="row"|[[世界貿易組織]]

|[[恩戈齊·奧孔約-伊衞拉]]<ref>{{cite web |date=19 October 2022 |author= |title=Working Dinner between Mr. HAYASHI Yoshimasa, Minister for Foreign Affairs of Japan, and Dr. Ngozi Okonjo-Iweala, Director-General of the World Trade Organization (WTO) |url=https://www.mofa.go.jp/press/release/press6e_000415.html |website=[[Ministry of Foreign Affairs (Japan)|MOFA, Japan]] |access-date=29 March 2023 |archive-date=29 March 2023 |archive-url=https://web.archive.org/web/20230329075403/https://www.mofa.go.jp/press/release/press6e_000415.html |url-status=live }}</ref>