Carlos Rico Walker (March 22, 1976 – September 21, 2016), better known as Shawty Lo, was an American rapper from Atlanta, Georgia.

He initially came to prominence as a founding member of the Southern hip hop group D4L, and in 2000 founded D4L Records. The group reached national status in 2006 when their single "Laffy Taffy" topped the Billboard Hot 100 and went on to be certified platinum twice by the Recording Industry Association of America (RIAA).

In 2007, Walker began pursuing a solo career with his debut single "Dey Know", which was included on his solo debut album Units in the City, released in February 2008.

On September 21, 2016, Walker died in a car crash. His second studio album, R.I.C.O., was released posthumously in March 2017.