John C. Cantwell

John C. Cantwell
Born(1859-01-09)9 January 1859
Died8 October 1940(1940-10-08) (aged 81)
AllegianceUnited States of America
BranchU.S. Revenue Cutter Service
United States Coast Guard
Service years1879–1920
RankCaptain (USRCS)
Commander (USCG)
Commands
ConflictsWorld War I

John Cassin Cantwell (9 January 1859 – 8 October 1940) was a United States Coast Guard officer and early United States explorer of Alaska.