Jordanville is a hamlet in the town of Warren, Herkimer County, New York, United States. Jordanville is in the northwestern part of Warren, at the intersection of New York State Route 167 and County Route 155. The community was settled by European Americans after the Revolutionary War and before 1791. Its name was derived from the nearby Ocquionis Creek, which was used by settlers for baptisms and likened by them to the Jordan River.

Warren is a town in Herkimer County, New York, United States. The population was 1,143 at the 2010 census. The town is named after General Joseph Warren, who was killed at the Battle of Bunker Hill. Warren is in the south part of Herkimer County. US 20 passes across the town.