John Cramer was an American lawyer and politician who served two terms as a United States representative from New York from 1833 to 1837.
He attended the rural schools and was graduated from Union College in 1801.
He studied law, was admitted to the bar and commenced practice in Waterford.
He was a presidential elector on the ticket of Thomas Jefferson and George Clinton in 1804.
Cramer was appointed a master in chancery in 1805, and served as a member of the New York State Assembly in 1806 and 1811.