Donald Allen Schlitz Jr. is an American songwriter who has written more than a score of number one hits on the country music charts. He is best known for his song "The Gambler", and as the co-writer of "Forever and Ever, Amen", and "When You Say Nothing at All". For his songwriting efforts, Schlitz has earned two Grammy Awards, and four ASCAP Country Songwriter of the Year awards.

"The Gambler" is a song written by Don Schlitz and recorded by several artists, most famously by American country singer Kenny Rogers.