John Dahlgren may refer to:
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John A. Dahlgren
John Adolphus Bernard Dahlgren (November 13, 1809 – July 12, 1870) was a United States Navy officer who founded his service's Ordnance Department and launched significant advances in gunnery.
Dahlgren devised a smoothbore howitzer, adaptable ...
, United States Navy officer
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John Olof Dahlgren
John O. Dahlgren (September 14, 1872 – February 11, 1963) was an American corporal serving in the United States Marine Corps during the Boxer Rebellion who received the Medal of Honor for bravery.
Biography
Dahlgren was born September 14, 18 ...
, United States Marine Corps corporal and Medal of Honor recipient
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John Vinton Dahlgren
John Vinton Dahlgren (April 22, 1868 – August 11, 1899) was an American lawyer, Commissioner of Charities for the State of New York and the first husband of Elizabeth Wharton Drexel. The medical library building at Georgetown University is name ...
, American lawyer
{{hndis, Dahlgren, John