First Lieutenant Lewis Warrington III (unknown – January 5, 1879) was an American officer in the U.S. Army who served with the 4th U.S. Cavalry during the Texas–Indian Wars.

He won distinction while commanding a small cavalry detachment against a hostile band of Comanche Indians in the Muchague Valley on December 8, 1874, and was one of three men received the Medal of Honor in the engagement.

[2] Warrington spent most of his career on the Texas frontier and served under Colonel Ranald S. Mackenzie during the Texas-Indian Wars of the 1870s.

On December 8, 1874, he and ten cavalrymen pursued a group of hostile Comanche Indians through the Muchague Valley.

Warrington personally captured one Indian, turning him over to a trooper whose horse could not continue, and resumed the pursuit with Privates Frederick Bergendahl and John O'Sullivan.