John Skylstead Rhoades, Sr. (March 18, 1925 – September 3, 2007) was a United States federal judge.
Born in Havre, Montana, Rhoades was in the United States Navy during World War II, from 1943 to 1946. He received an A.B. from Stanford University in 1948 and an J.D. from the University of California, Hastings College of Law in 1951. He was a U.S. Naval Reserve from 1946 to 1966. He was a Prosecuting attorney of San Diego, California from 1955 to 1956. He was a Deputy city attorney of San Diego, California from 1956 to 1957. He was in private practice in San Diego, California from 1957 to 1985.
Rhoades was a federal judge on the United States District Court for the Southern District of California. Rhoades was nominated by President Ronald Reagan on September 27, 1985, to a seat vacated by Leland C. Nielsen. He was confirmed by the United States Senate on October 25, 1985, and received his commission on October 28, 1985. He assumed senior status on November 4, 1995. Rhoades served in that capacity until September 3, 2007, due to his death.
He died in San Diego, California.