Joseph Oscar Eaton (April 2, 1920 – September 28, 2008) was an American politician and jurist.

Born on April 2, 1920, in Monticello, Florida, Eaton received an Artium Baccalaureus degree in 1945 from Presbyterian College and a Bachelor of Laws in 1948 from the Fredric G. Levin College of Law at the University of Florida.

He served as a captain in the United States Army Air Forces from 1941 to 1945.

He was a judge of the Eleventh Judicial Circuit Court of Florida serving Dade County from 1953 to 1954 and 1959 to 1967.

He assumed senior status on April 2, 1985, where he also sat by designation on the 11th Circuit Court of Appeals.