Robert Edward Blackburn (born 1950) is a United States federal judge.
Blackburn was born in Lakewood, Colorado. He received a B.A. from Western State College of Colorado in 1972. He received a J.D. from the University of Colorado Law School in 1974. He was in private practice in Las Animas, Colorado from 1975 to 1980. He was a deputy district attorney of Sixteenth Judicial District Attorney's Office, Colorado from 1980 to 1986. He was a county attorney of Bent County, Colorado from 1980 to 1988. He was a Municipal judge, Town of Kim, Colorado from 1985 to 1988. He was a judge on the Sixteenth Judicial District of Colorado from 1988 to 2002.
Blackburn was a federal judge on the United States District Court for the District of Colorado. Blackburn was nominated by President George W. Bush on September 10, 2001, to a seat vacated by Zita L. Weinshienk. He was confirmed by the United States Senate on February 26, 2002, and received his commission on March 6, 2002.