Hans Bull Brodtkorb Mohr (26 September 1886 – 29 January 1973) was a Norwegian educator and international cooperation activist.

He was born in Haltdalen as a son of vicar Rasmus Christian Mohr (1850–1938) and Anna Johanne Brodtkorb (1853–1925).

He co-founded the Anglo-Norse Society in 1921 and served as a board member from 1921 to 1927 and 1939 to 1960, the last seven years as vice chairman.

In 1945 he was a delegate at the United Nations Conference for the establishment of UNESCO in 1945, and later six general assemblies of the organization.

He was also active in the Bjørnson Society as well as in Foreningen Norden, and in 1950 and 1951 he sat on the Council of Europe expert committee on cultural cooperation.