Dick Thompson Morgan (December 6, 1853 – July 4, 1920) was an American educator, lawyer and politician who served six terms as a U.S. Representative from Oklahoma from 1909 to 1920.

He was appointed register of the United States land office at Woodward in Oklahoma Territory, by President Theodore Roosevelt in 1904 and served until May 1, 1908.

In 1915, after redistricting due to the 1910 Census, he represented the 8th congressional district until his unexpected death in 1920.

He was a member of the Claims, Railways and Canals, Expenditures in the Treasury Department, Public Lands, and Judiciary committees.

On July 4, 1920, Morgan died of pneumonia in Danville, Illinois, while returning from Washington, D.C. to Oklahoma.