Lazy Lester (born Leslie Carswell Johnson, June 20, 1933 Torras, Louisiana) is an American blues musician who sings and plays the harmonica and guitar. His career has spanned the 1950s to the present day.

Best known for regional hits recorded with Ernie Young’s Nashville-based Excello Records, Lester also contributed to songs recorded by other Excello artists, including Slim Harpo, Lightnin’ Slim, and Katie Webster. Cover versions of his songs have been recorded by (among others) the Kinks, the Flamin’ Groovies, Freddy Fender, Dwight Yoakam, Dave Edmunds, Raful Neal, Anson Funderburgh, and the Fabulous Thunderbirds. In the comeback stage of his career (since the late 1980s) he has recorded new albums backed by Mike Buck, Sue Foley, Gene Taylor, Kenny Neal, Lucky Peterson, and Jimmie Vaughan.