Ernest Earl "Jimmy" Walker (December 18, 1915 – June 27, 1990) was an American country musician.

Jimmy Walker recorded the first version of the country standard "Detour" in 1945, and to date he is the only man who ever replaced Roy Acuff on the Grand Ole Opry. He also recorded numerous other western swing-honky tonk numbers, appeared as a regular on Midwestern Hayride, WWVA Jamboree and Louisiana Hayride, and appeared in several motion pictures. Read more on Last.fm. User-contributed text is available under the Creative Commons By-SA License; additional terms may apply.