Timothy Hopkins Porter (November 28, 1785 – December 16, 1845) was an American lawyer and politician from New York.
After completing preparatory studies, he then studied law, was admitted to the bar and practiced in Hamilton, New York (now the City of Olean).
On November 8, 1811, he married Lucy Moore, and they had twelve children.
He was a member of the New York State Assembly (Allegany and Steuben Co.) in 1816 and 1816–17.
In 1824, he was elected a presidential elector, but did not attend the meeting of the New York Electoral College, and William Mann, of Schoharie County was appointed to fill the vacancy.