Jabez Delano Hammond (August 2, 1778 – August 18, 1855) was an American physician, lawyer, author and politician.
Hammond was born in New Bedford, Bristol County, Massachusetts. He practiced medicine in Reading, Vermont, but afterward studied law and followed that profession at Cherry Valley.
He was a Democratic-Republican member of the United States Congress from 1815 to 1817, a member of the New York State Senate from 1817 to 1821, and a member of the Council of Appointment in 1818. In 1825, he was appointed one of the commissioners in the settlement of the claims of New York State against the Federal Government.
In April 1825, he was appointed one of three State Road Commissioners, the other two were Nathaniel Pitcher and George Morell. These commissioners had to "explore and cause surveys to be made of a route for a State road from some point on the North River to some point on Lake Erie, through the southern tier of counties."
He was First Judge of the Otsego County Court from 1838 to 1843. He was a regent of the University of the State of New York from 1845 until his death, which occurred in Cherry Valley, Otsego County, New York.