:Mutsu Hirokichi

{{Short description|Japanese diplomat and educator (1869–1942)}}

{{family name hatnote|Mutsu|lang=Japanese}}

{{More citations needed|date=January 2021}}

{{Infobox person

| name = Mutsu Hirokichi
陸奥　広吉

| image = Hirokichi Mutsu-1899.png

| caption = Mutsu in 1899

| birth_date = March 5, 1869

| birth_place = Japan

| death_date = {{death date and age|1942|4=1869|5=3|6=5}}

| death_place = Kamakura, Japan

| death_cause =

| known =

| occupation = Diplomat, Educator

| title =

| term =

| predecessor =

| successor =

| party =

| boards =

| spouse = Mutsu Iso

| partner =

| children = Mutsu Ian Younosuke, Mutsu Sonna

| relations =

| website =

| footnotes =

| employer =

| height =

}}

Count {{nihongo|Mutsu Hirokichi|陸奥 広吉||extra=March 5, 1869 – November 19, 1942}} was a Japanese diplomat and an educator in Meiji- and Taishō-period Japan.

He was the oldest son of Mutsu Munemitsu who was Minister for Foreign Affairs. He was sent to the U.K. to study in 1887 as a barristerHota-Lister, A. The Japan-British Exhibition of 1910: Gateway to the Island Empire of the East. London: Routledge, 2013. pp 49-50 and by 1895 was appointed to diplomatic positions, residing in London, Washington, DC and Rome. While in Europe he met Gertrude Ethel Passingham whom he later married in 1905. She took the Japanese name Mutsu Iso and followed him back to Japan 1910 where she created a name for herself as a writer.

Mutsu was again called upon to serve as a diplomat in 1914 and was appointed Envoy to Brussels but with failing health he retired to Kamakura in Kanagawa Prefecture until his death in 1942. Count Mustu and his wife were financial sponsors of Kamakura-jo-gakkō, a girl's high school in Kamakura (now Kamakura-jo-gakuin girl's junior high and high school), and exerted themselves to conserve historic site.