Frederick Frelinghuysen (April 13 1753 – April 13 1804) was an American lawyer soldier and senator from New Jersey. A graduate of the College of New Jersey (now Princeton University) Frederick went on to become an officer during the American Revolutionary War. In addition he served as a delegate to the Continental Congress. He was a United States Senator from New Jersey from 1793 until 1796 and served as the United States Attorney for the District of New Jersey in 1801.