1989–90 Cypriot Fourth Division

The 1989–90 Cypriot Fourth Division was the fifth season of the Cypriot fourth-level football league. The championship was split into three geographical groups, representing the Districts of Cyprus. The winners were:
 * Nicosia-Keryneia Group: Olimpiada Neapolis FC
 * Larnaca-Famagusta Group: APEAN Ayia Napa
 * Limassol-Paphos Group: Tsaggaris Peledriou

The three winners were promoted to the 1990–91 Cypriot Third Division. Six teams were relegated to regional leagues.