| Competition: | Bulgarian B Group |
| Season: | 1999–2000 |
| Winners: | Cherno More |
| Promoted: | Cherno More Hebar-Iskar |
| Relegated: | Etar Antibiotic-Ludogorets Maritsa Beroe 2000 |
| Matches: | 240 |
| Total Goals: | 618 |
| Prevseason: | 1998–99 |
| Nextseason: | 2000–01 |
The 1999–2000 B Group was the 44th season of the Bulgarian B Football Group, the second tier of the Bulgarian football league system. A total of 16 teams contested the league.[1]
Cherno More Varna and Hebar-Iskar Pazardzhik were promoted to Bulgarian A Group. Etar Veliko Tarnovo, Antibiotic-Ludogorets Razgrad, Maritsa Plovdiv and Beroe 2000 Kazanlak were relegated.
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