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.

Hawk was elected as a Republican to the Forty-sixth and Forty-seventh Congresses and served from March 4, 1879, until his death in Washington, D.C., June 29, 1882.

This article incorporates public domain material from the Biographical Directory of the United States Congress