Robert Lee Castleman (born 14 July 1952) is a Nashville singer and songwriter.
He released the debut album "Crazy as Me"on Rounder Records in 2000.
At the Grammy Award in 2002 , he won Best Country Song category as the writer of the song "The Lucky One" performed by Alison Krauss & Union Station.
Other songs which Castleman has written include Alan Jackson's "The Firefly's Song", "Like Red on a Rose" (nominated for Grammy Award in 2007 in the Best Country Song category), "Maybe I Should Stay Here", "Nobody Said That It Would Be Easy", "Where Do I Go from Here (A Trucker's Song)". Alison Krauss & Union Station's "Doesn't Have to Be This Way", "Forget About It", "Gravity", "Let Me Touch You for Awhile", "Paper Airplane" and "Restless".Chet Atkins's "Sneakin' Around", "Somebody Loves Me Now", "Take a Look At Her Now" and Jon Randall 's ("My Life")