James Picardie Cox (May 1, 1819 - April 25, 1908) was an English-American engraver active in New York and Washington D.C. in the mid-19th century. Cox was born in Portsea, England. He emigrated to New York in 1838 and naturalized in 1852. He worked in New York for the J. H. Colton firm in the 1850s, was briefly independent, and around 1870 moved Washington D.C. to work for the U.S. Coast Survey, and later in the1880s for the U.S. Coast and Geodetic Survey.