| 2005–06 KBL season | |
| League: | Korean Basketball League |
| Sport: | Basketball |
| Duration: | October 21, 2005 – April 25, 2006 |
| Season: | Regular Season |
| Season Champs: | Ulsan Mobis Phoebus |
| Mvp: |  Seo Jang-hoon (Samsung) &<br> Yang Dong-geun (Mobis) |
| Top Scorer: |  Dontae' Jones (KT&G) |
| Finals: | Finals |
| Finals Link: | Korean Basketball League#Results |
| Finals Champ: | Seoul Samsung Thunders |
| Finals Runner-Up: | Ulsan Mobis Phoebus |
| Finals Mvp: | Kang Hyuk (Samsung) |
| Finals Mvp Link: | Korean Basketball League#Results |
| Seasonslist: | List of KBL seasons |
| Seasonslistnames: | KBL |
| Prevseason Link: | 2004–05 KBL season |
| Prevseason Year: | 2004–05 |
| Nextseason Link: | 2006–07 KBL season |
| Nextseason Year: | 2006–07 |
The 2005–06 KCC Professional Basketball season was the tenth season of the Korean Basketball League.
| width=3% | RK | width=20% | Team | width=5% | G | width=5% | W | width=5% | L | width=6% | PCT | width=4% | GB | width=9% | Tiebreaker |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | Ulsan Mobis Phoebus | 54 | 36 | 18 | 0.667 | – | – | ||||||||
| 2 | Seoul Samsung Thunders | 54 | 32 | 22 | 0.593 | 4 | – | ||||||||
| 3 | Wonju Dongbu Promy | 54 | 31 | 23 | 0.574 | 5 | – | ||||||||
| 4 | Busan KTF Magic Wings | 54 | 29 | 25 | 0.537 | 7 | 4–2 | ||||||||
| 5 | Jeonju KCC Egis | 54 | 29 | 25 | 0.537 | 7 | 2–4 | ||||||||
| 6 | Daegu Orions | 54 | 28 | 26 | 0.519 | 8 | – | ||||||||
| 7 | Anyang KT&G Kites | 54 | 27 | 27 | 0.500 | 9 | – | ||||||||
| 8 | Changwon LG Sakers | 54 | 26 | 28 | 0.481 | 10 | – | ||||||||
| 9 | Seoul SK Knights | 54 | 24 | 30 | 0.444 | 12 | – | ||||||||
| 10 | Incheon ET Land Black Slamer | 54 | 8 | 46 | 0.148 | 28 | – |
KRW 150,000,000 (champions + regular-season 2nd place)
KRW 150,000,000 (runners-up + regular-season 1st place)
KRW 30,000,000 (regular-season 3rd place)