The 1979–80 Cypriot Third Division was the ninth season of the Cypriot third-level football league. Iraklis Gerolakkou won their 2nd title.

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Twelve teams participated in the 1979–80 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 1980–81 Cypriot Second Division.

• "Γ΄ κατηγορία". Haravgi (in Greek). 1980-04-22. p. 6.
• "Το πρωτάθλημα Γ΄ κατηγορίας". Tharros (in Greek). 1980-04-21. p. 5.

• Cypriot Third Division
• 1979–80 Cypriot First Division
• 1979–80 Cypriot Cup