John H. Jenness (September 15, 1862 – March 29, 1915) was an American politician and physician from Maryland.
He served as a member of the Maryland House of Delegates, representing Cecil County in 1898.
He worked as an assistant to Governor Austin Lane Crothers at Oakwood School.
He was a member of the Maryland House of Delegates, representing Cecil County, in 1898.
[1] Jenness died following a pneumonia illness on March 29, 1915, at his home in Rising Sun.