Robert Fay Rockwell (February 11, 1886 – September 29, 1950) was a U.S. Representative from Colorado for four terms from 1941 to 1949.

[1] Born in Cortland, New York, he was the son of Lemuel Wilson and Elizabeth (Smith) Rockwell.

[1][4] He moved to Paonia, Colorado, in 1907 and engaged in cattle raising and fruit growing.

[1] In 1924, he was an unsuccessful candidate for the Republican nomination for governor, losing to Clarence Morley,[5] who went on to win the general election.

Rockwell was elected as a Republican to the Seventy-seventh Congress to fill the vacancy caused by the death of Edward T. Taylor.

[2] He died unexpectedly of a cerebral hemorrhage at his home in Maher, Colorado on September 29, 1950.