John J. Finnerty
{{short description|American politician}}
John J. Finnerty (May 14, 1879 – November 25, 1958) was an American barber and politician.
Born in Philadelphia, Pennsylvania, Finnerty was a barber. He served in the Pennsylvania House of Representatives from 1935 to 1937 and from 1939 to 1945. He was a Democrat. He then served as a deputy United States Marshal. Finnerty died in Philadelphia, Pennsylvania.[http://www.legis.state.pa.us/cfdocs/legis/BiosHistory/MemBio.cfm?ID=1817&Body=H Pennsylvania House of Representatives-John J. Finnerty]'Commonwealth of Pennsylvania Legislative Directory-Session of 1935,' Herman P. Miller/M. K. Burgner-editors, Members of the Pennsylvania House of Representatives-1935, pg. 8