The Greeneville Flyboys are a summer collegiate baseball team of the Appalachian League.

They are located in Greeneville, Tennessee, and play their home games at Pioneer Park.

[2] The Houston Astros, parent club of Greeneville, withdrew their affiliate from the Appalachian League after the 2017 season.

[5] The nickname is in reference to an old airfield at the site of the stadium where the city's previous baseball teams played.

[6] The Flyboys play their home games at Pioneer Park on the campus of Tusculum University.