The 1989–90 Cypriot First Division was the 51st season of the Cypriot top-level football league. APOEL won their 14th title.
Format
Fourteen teams participated in the 1989–90 Cypriot First 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 last two teams were relegated to the 1990–91 Cypriot Second Division.