1977–78 Cypriot Third Division

The 1977–78 Cypriot Third Division was the seventh season of the Cypriot third-level football league. Adonis Idaliou won their 1st title.

Format
Eleven teams participated in the 1977–78 Cypriot Third Division. All teams played against each other twice, once at their home and once away. The team with the most points at the end of the season crowned champions. The first team was promoted to 1978–79 Cypriot Second Division. The last team was relegated to regional leagues.

Point system
Teams received two points for a win, one point for a draw and zero points for a loss.