Robin Louise Johnson Cauthron (born July 14, 1950) is a senior United States district judge of the United States District Court for the Western District of Oklahoma.

She was a law clerk to Judge Ralph Gordon Thompson of the United States District Court for the Western District of Oklahoma from 1977 to 1981.

She was a staff attorney of Legal Services of Eastern Oklahoma, Inc., in Hugo from 1981 to 1982.

[2] Cauthron served as a United States magistrate judge for the Western District of Oklahoma from 1986 to 1991.

On February 7, 1991, Cauthron was nominated by President George H. W. Bush to a new seat on the United States District Court for the Western District of Oklahoma created by 104 Stat.