Lewis Calvin DeWitt Jr. (March 12, 1938 – August 15, 1990) was an American country music singer, guitarist, and composer.

In November 1981, DeWitt took a leave of absence from The Statler Brothers due to surgery and treatment for Crohn's disease,[1]: 95  from which he had suffered since adolescence.

[1]: 96 Three years later, DeWitt, feeling that his health had gradually improved through continued treatment, decided to pursue a solo career.

[4] DeWitt remained active as a performer until late 1989,[5] when his health rapidly declined, which culminated in his death on August 15, 1990, in Waynesboro, Virginia.

In 2011, amateur video of DeWitt performing at the Burley Tobacco Festival in the late 1980s surfaced and was posted onto YouTube.