Lewis Leavell Walker (February 15, 1873 – June 30, 1944) was a U.S. Representative from Kentucky.

He was admitted to the bar in 1894 and commenced practice in Lancaster, Kentucky.

Walker was preceded and succeeded in his congressional seat by the same person, Democrat Ralph Waldo Emerson Gilbert.

Walker continued the practice of law in Lancaster, Kentucky, until his death there on June 30, 1944.

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