| Competition: | Girabola 1999 |
| Season: | 1999 (Apr 18–Nov 22) |
| Winners: | Primeiro de Agosto |
| Relegated: | Independente do Tômbwa Progresso do Sambizanga |
| Relegation: | Gira Angola |
| Continentalcup1: | 2000 CAF Champions League |
| Continentalcup1 Qualifiers: | Primeiro de Agosto (Girabola winner) |
| Continentalcup2: | 2000 African Cup Winners' Cup |
| Continentalcup2 Qualifiers: | Sagrada Esperança (1999 cup winner) |
| Continentalcup3: | 2000 CAF Cup |
| Continentalcup3 Qualifiers: | Académica do Lobito (Girabola runnerup) |
| League Topscorer: | Boelua Lokuli Isaac (16 goals) |
| Biggest Home Win: | |
| Biggest Away Win: | |
| Highest Scoring: | |
| Matches: | 210 |
| Total Goals: | 434 |
| Prevseason: | 1998 |
| Nextseason: | 2000 |
The 1999 Girabola was the 21st season of top-tier football competition in Angola. The season ran from 18 April to 22 November 1999. Primeiro de Agosto were the defending champions.
The league comprised 14 teams, the bottom three of which were relegated to the 2000 Gira Angola.
Primeiro de Agosto were crowned champions, winning their 8th title,[1] while Independente do Tômbwa and Progresso do Sambizanga, were relegated.
Boelua Lokuli aka Isaac of Primeiro de Agosto finished as the top scorer with 19 goals.[2]
Relegated: Chicoil, Kabuscorp, SECIL
Promoted: Cambondo, Inter de Luanda, Ferroviário da Huíla *