Harold Lowell Runnels (March 17, 1924 – August 5, 1980) was an American businessman and politician who served five terms as a U.S. Representative from New Mexico from 1971 to 1978.

Runnels attended Dallas public schools and Cameron State Agricultural College (now Cemeron University) in Lawton, Oklahoma.

He died in New York City on August 5, 1980, of respiratory failure while being treated for pleurisy and cancer.

The Harold Runnels Papers (1971-1980) from his time in the U.S. Congress are held in the Special Collections of Eastern New Mexico University.

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