John J. Ely (April 7, 1778 – January 11, 1852) was an American politician who served as the Director of the Monmouth County, New Jersey Board of Chosen Freeholders, and as Sheriff of Monmouth County, and as a member of the New Jersey General Assembly.
[1] In October 1822, Ely was elected to a one-year term representing Monmouth County in the New Jersey General Assembly.
[2] As the Era of Good Feelings closed, Ely affiliated with the National Republican Party, and returned to the shrievalty in 1825.
In 1832 and 1833, he was the National Republican Candidate for the Monmouth County seat in the New Jersey Legislative Council, losing both times to Daniel Holmes.
In 1829, John J. Ely moved to Holmdel Township, where he died on January 11, 1852.