Gordon Thompson, Jr. (born 1929) is a United States federal judge.
Born in San Diego, California, Thompson received a B.S. from the University of Southern California in 1951 and an LL.B. from Southwestern University School of Law in 1956. He was a Deputy district attorney of County of San Diego, California from 1957 to 1960. He was in private practice in San Diego, California from 1960 to 1970.
Thompson was a federal judge on the United States District Court for the Southern District of California. Thompson was nominated by President Richard Nixon on October 7, 1970, to a new seat created by 84 Stat. 294. He was confirmed by the United States Senate on October 13, 1970, and received his commission on October 16, 1970. He served as chief judge from 1984-1991. He assumed senior status on December 28, 1994.