James Ross Snowden (December 9, 1809 – March 21, 1878 ) was an American politician from Pennsylvania who served as a Democratic member of the Pennsylvania House of Representatives representing Venango and Clarion counties from 1838 to 1843 and Venango, Jefferson and Clarion counties in 1844. He served as Speaker of the Pennsylvania House of Representatives in 1842 and again in 1844. He served as the Treasurer of Pennsylvania from 1845 to 1847, as treasurer of the United States Mint from 1847 to 1850 and as director of the Mint from 1853 to 1861.