The 2009–10 Cypriot Fourth Division was the 25th season of the Cypriot fourth-level football league. Enosis Neon Parekklisia won their 1st title.
Format
Fifteen teams participated in the 2009–10 Cypriot Fourth 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 three teams were promoted to the 2010–11 Cypriot Third Division and the last four teams were relegated to regional leagues.
Point system
Teams received three points for a win, one point for a draw and zero points for a loss.
AEK Kythreas also participated in the 2009–10 Cypriot Fourth Division. AEK's relegation during 2006–07 Cypriot Fourth Division forced the team to suspend operations. The team resumed operations in the 2009–10 season. According to a specific regulation, the refugees football clubs that were resuming their operations could participate in the Cypriot Fourth Division. So, AEK's application to participate in the fourth division was accepted.