| 2005 FIBA Europe Under-20 Championship Division B | |
| Subtitle: | 1st Division B Championship |
| Continent: | Europe U-20 |
| Year: | 2005 |
| Host: | Bulgaria |
| Dates: | July 8–17 |
| Teams: | 12 |
| Federations: | 48 |
| Venues: | 1 |
| Cities: | 1 |
| Champions: | Bulgaria |
| Title Number: | 1 |
| Ppg P: |  Tabu-Eboma (22.0) |
| Ppg T: | (87.3) |
| Rpg P: |  Lóránt (12.5) |
| Rpg T: | (45.5) |
| Apg P: | Pires (5.0) |
| Apg T: | (11.1) |
| Nextseason: | 2006 |
The 2005 FIBA Europe Under-20 Championship Division B was the first edition of the Division B of the FIBA Europe Under-20 Championship, the second-tier level of European Under-20 basketball. The city of Varna, in Bulgaria, hosted the tournament. Bulgaria won their first title.
Bulgaria and Hungary were promoted to Division A.
The twelve teams were allocated in two groups of six teams each.
| Team advanced to Quarter-FinalS | ||
| Team competed in 9th–12th playoffs |
| width=170 | Team | width=25 | Pld | width=25 | W | width=25 | L | width=35 | PF | width=35 | PA | width=25 | Pts | width=35 | Tie-breaker |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 5 | 5 | 0 | 433 | 319 | 10 | ||||||||||
| 5 | 3 | 2 | 377 | 344 | 8 | +9 | |||||||||
| 5 | 3 | 2 | 392 | 360 | 8 | 0 | |||||||||
| 5 | 3 | 2 | 392 | 360 | 8 | −9 | |||||||||
| 5 | 1 | 4 | 345 | 387 | 6 | ||||||||||
| 5 | 0 | 5 | 282 | 451 | 5 |
| width=25% | width=3% | width=6% | width=3% | width=25% | |||||
|---|---|---|---|---|---|---|---|---|---|
| 8 July 2005 | |||||||||
| 80–58 | Varna | ||||||||
| 77–68 | Varna | ||||||||
| 58–85 | Varna | ||||||||
| 9 July 2005 | |||||||||
| 86–59 | Varna | ||||||||
| 73–58 | Varna | ||||||||
| 71–82 | Varna | ||||||||
| 10 July 2005 | |||||||||
| 86–80 | Varna | ||||||||
| 88–64 | Varna | ||||||||
| 50–97 | Varna | ||||||||
| 12 July 2005 | |||||||||
| 71–65 | Varna | ||||||||
| 79–50 | Varna | ||||||||
| 84–64 | Varna | ||||||||
| 13 July 2005 | |||||||||
| 87–73 | Varna | ||||||||
| 66–93 | Varna | ||||||||
| 104–65 | Varna |
| width=170 | Team | width=25 | Pld | width=25 | W | width=25 | L | width=35 | PF | width=35 | PA | width=25 | Pts |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 5 | 4 | 1 | 418 | 346 | 9 | ||||||||
| 5 | 4 | 1 | 439 | 390 | 9 | ||||||||
| 5 | 3 | 2 | 427 | 347 | 8 | ||||||||
| 5 | 2 | 3 | 349 | 357 | 7 | ||||||||
| 5 | 2 | 3 | 338 | 347 | 7 | ||||||||
| 5 | 0 | 5 | 311 | 495 | 5 |
| width=25% | width=3% | width=6% | width=3% | width=25% | |||||
|---|---|---|---|---|---|---|---|---|---|
| 8 July 2005 | |||||||||
| 106–58 | Varna | ||||||||
| 62–76 | Varna | ||||||||
| 60–82 | Varna | ||||||||
| 9 July 2005 | |||||||||
| 65–83 | Varna | ||||||||
| 69–80 | Varna | ||||||||
| 82–80 | Varna | ||||||||
| 10 July 2005 | |||||||||
| 114–60 | Varna | ||||||||
| 55–70 | Varna | ||||||||
| 106–98 | Varna | ||||||||
| 12 July 2005 | |||||||||
| 60–70 | Varna | ||||||||
| 57–82 | Varna | ||||||||
| 73–71 | Varna | ||||||||
| 13 July 2005 | |||||||||
| 56–61 | Varna | ||||||||
| 110–71 | Varna | ||||||||
| 91–74 | Varna |
| Rank | Team | |
|---|---|---|
| 4th | ||
| 5th | ||
| 6th | ||
| 7th | ||
| 8th | ||
| 9th | ||
| 10th | ||
| 11th | ||
| 12th |
| Rank | Name | Points | Games | width=40 | PPG |
|---|---|---|---|---|---|
| 1. | Beye Tabu-Eboma | 110 | 5 | 22.0 | |
| 2. |  John Behan | 128 | 7 | 18.3 | |
| 2. | Aaron Westbrooks | 124 | 7 | 17.7 | |
| 4. |  Kamil Chanas | 141 | 8 | 17.6 | |
| 5. | Kaloyan Ivanov | 140 | 8 | 17.5 |
| Rank | Name | Points | Games | width=40 | RPG |
|---|---|---|---|---|---|
| 1. | Péter Lóránt | 100 | 8 | 12.5 | |
| 2. | Kaloyan Ivanov | 94 | 8 | 11.8 | |
| 3. | Pawel Leonczyk | 86 | 8 | 10.8 | |
| 4. | Francois Lhoest | 77 | 8 | 9.6 | |
| 5. | Stéphane Moris | 76 | 8 | 9.5 |
| Rank | Name | Points | Games | width=40 | RPG |
|---|---|---|---|---|---|
| 1. | Antonio Pires | 28 | 7 | 4.0 | |
| 2. |  Giorgi Tsintsadze | 25 | 8 | 3.1 | |
| 3. |  Thomas Massamba | 24 | 8 | 3.0 | |
| 4. | Beye Tabu-Eboma | 14 | 5 | 2.8 | |
| 5. | Domien Loubry | 22 | 8 | 2.8 |