Gatlin may refer to: pronounced Gate-lin
- Justin Gatlin, an American sprinter
- Larry Gatlin, an American country music singer
- Alfred Moore Gatlin, a former Congressional Representative from North Carolina
- Gatlin Brothers-Southwest Golf Classic, a former professional golf event in Abilene, Texas (played under this name from 1981 to 1988).
- The Champions Classic, formerly named Gatlin Brothers Seniors Golf Classic. A former professional golf event (1983 to 1985).
- Gatlin Site, an archaeological site in Arizona
- Gatlin, Nebraska, a fictional town in the novel Children of the Corn by Stephen King