| Nextseason: | 2018–19 |
| Cyprus Basketball Division A | |
| T Bg: |
|
| T Color: | white |
| Champions: | Petrolina AEK (4th title) |
| Runners Up: | Keravnos |
| Relegated: | APOP |
| Teams: | 7 |
The 2017–18 Cyprus Basketball Division A is the 51st season of the Cyprus Basketball Division A, the top-tier level men's professional basketball league on Cyprus.
Seven teams joined the regular season, where after a three-legs round-robin tournament, the four first qualified would join the playoffs for the title.
| Team | City | Venue | |
|---|---|---|---|
| Lefkotheo | |||
| Apollon Arena | |||
| Aphroditi Sports Hall | |||
| Avgorou Technical School | |||
| Eleftheria Indoor Hall | |||
| Costas Papaellinas Arena | |||
| Kition Athletic Center |
Seeded teams played games 1, 2 and (if necessary) 5 at home.
In the quarterfinals, teams playing against each other have to win two games to win the series. Thus, if one team wins two games before all three games have been played, the remaining game is omitted. The team that finished in the higher regular season place, is going to play the first and the third (if necessary) game of the series at home.|}
In the semifinals, teams playing against each other have to win three games to win the series. Thus, if one team wins three games before all five games have been played, the remaining games are omitted. The team that finished in the higher regular season place, is going to play the first, the third and the fifth (if necessary) game of the series at home.|}
In the finals, teams playing against each other have to win three games to win the series. Thus, if one team wins three games before all five games have been played, the remaining games are omitted. The team that finished in the higher regular season place, is going to play the first, the third and the fifth (if necessary) game of the series at home.|}