James Marion Dykes (May 4, 1916 – December 1966) was an American politician.

He served as a Democratic member of the Georgia House of Representatives.

He also served as a member for the 14th district of the Georgia State Senate.

He then served three separate terms in the Georgia State Senate, representing the 14th district.

[2] In December 1966, Dykes was found dead in a restroom at his office in Cochran, Georgia with an apparently self-inflicted gunshot wound.