Gary Allan is an American country music singer.

His first two albums were issued on Decca Records Nashville, while the other five and his Greatest Hits album were all issued on MCA Nashville.

1999's Smoke Rings in the Dark, 2001's Alright Guy and 2003's See If I Care are all certified platinum by the RIAA, while his 1996 debut Used Heart for Sale, 2005's Tough All Over, 2006's Greatest Hits, and 2007's Living Hard are all certified gold.

Out of Allan's 31 singles, all have charted on the US Billboard Hot Country Songs chart, and thirteen of these have also crossed over to the Billboard Hot 100.

Allan has also charted twice with songs that received unsolicited airplay: a 1997 cover of "Please Come Home for Christmas", and a 2000 cover of Del Shannon's "Runaway".