There have been a number of people named James Clark

• James Clark (Kentucky) was Governor of Kentucky from 1836 to 1839
• James Clark (runner) was an early twentieth century marathon runner
• James H. Clark, internet entrepreneur, founder of Silicon Graphics, Netscape, and WebMD
• James L. Clark, author, businessman, and political activist
• James Clark (XML expert) the author of groff and expat and has done much work with open software and XML.
• James A. Clark , Maryland State Senator.
• James Clark (Britain), British ambassador to Luxembourg.
• James Clark (Texas) , a founder of Clarksville, Texas.

See also: Jim Clark, a disambiguation page for people who go by the abbreviated name