The 1979–80 Cypriot Third Division was the ninth season of the Cypriot third-level football league.
Iraklis Gerolakkou won their 2nd title.
Twelve teams participated in the 1979–80 Cypriot Third Division.
The team with the most points at the end of the season crowned champions.
The first team was promoted to 1980–81 Cypriot Second Division.