Jonathan Stratton Conklin (October 18, 1770 East Hampton, Suffolk County, New York - June 20, 1839 East Hampton, Suffolk Co., NY) was an American politician from New York.
He was the son of Nathaniel Conklin (ca. 1736-1788) and Mehitable (Stratton) Conklin (ca. 1740-1784). On November 13, 1799, he married Phebe P. Stratton.
He was a member of the New York State Assembly (Suffolk Co.) in 1811 and 1814.
He was a member of the New York State Senate (1st D.) from 1830 to 1834, sitting in the 53rd, 54th, 55th, 56th and 57th New York State Legislatures.
He was a delegate to the 1832 Democratic National Convention at Baltimore.
He was buried at the North End Cemetery in East Hampton.