John Hagan may refer to:
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John Hagan (1785?–1856), American slave trader
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John N. Hagan
John N. Hagan (August 4, 1873 – June 4, 1952) was a North Dakota Republican/ NPL politician who served as the North Dakota Commissioner of Agriculture and Labor from 1917 to 1921 and from 1937 to 1938. He is one of three politicians in the sta ...
(1873–1952), North Dakota politician
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John Hagan (sailor)
John Hagan (born 20 May 1946) is a retired senior sailor of the United States Navy who served as the eighth Master Chief Petty Officer of the Navy.
Early life and education
Hagan was born in Luton, England on 20 May 1946. He was born to an Ame ...
(born 1946), eighth Master Chief Petty Officer of the Navy
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John L. Hagan
John L. Hagan is an American sociologist focusing on criminology. He is currently the John D. MacArthur Professor of Sociology and Law at Northwestern University and University Professor Emeritus of Law and Sociology at University of Toronto and al ...
, American sociologist
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John Hagan (Ohio politician), former Republican member of the Ohio House of Representatives
{{hndis, Hagan, John