| Jason Gilfillan | |
| Position: | Pitcher |
| Birth Date: | 31 August 1976 |
| Birth Place: | Shelby, North Carolina |
| Bats: | Right |
| Throws: | Right |
| Debutleague: | MLB |
| Debutdate: | May 16 |
| Debutyear: | 2003 |
| Debutteam: | Kansas City Royals |
| Finalleague: | MLB |
| Finaldate: | June 29 |
| Finalyear: | 2003 |
| Finalteam: | Kansas City Royals |
| Statleague: | MLB |
| Stat1label: | Win–loss record |
| Stat1value: | 2–0 |
| Stat2label: | Earned run average |
| Stat2value: | 7.71 |
| Stat3label: | Strikeouts |
| Stat3value: | 12 |
| Teams: | |
Jason Edward Gilfillan (born August 31, 1976) is a former Major League Baseball pitcher who played for one season. He pitched in 13 games for the Kansas City Royals during the 2003 season.