Robert Moffett Allison Hawk (April 23, 1839 – June 29, 1882) was a U.S. Representative from Illinois. Born near Rushville, Indiana, Hawk moved with his parents to Freedom Township, Carroll County, Illinois, in 1844.He attended the common and select schools of Carroll County, Illinois, and Eureka College.He studied law but never practiced.He entered the Union Army during the Civil War as first lieutenant September 4, 1862.He was promoted to captain on January 1, 1863.Brevetted major April 10, 1865.He moved to Mount Carroll, Illinois, in 1865 and engaged in agricultural pursuits.He served as clerk of the court of Carroll County, Illinois, from December 13, 1865, to February 27, 1879.