James Henry Harrison (August 13, 1878 – April 2, 1943) was an American lawyer and politician from New Jersey.
A year later, he became master and then headmaster of St. James School in Hagerstown, Maryland.
He then became a member of the law firm Munn & Church in Newark.
He was elected to the Caldwell Borough Council in 1905 and served as mayor starting in 1908.
In 1923, he was elected to the New Jersey Senate as a Republican, representing Essex County.