| Competition: | Campeonato Nacional da Guiné-Bissau |
| Season: | 2018–19 |
| Winners: | Internacional |
| Continentalcup1: | Champions League |
| Continentalcup2: | Confederation Cup |
| Matches: | 182 |
| Total Goals: | 366 |
| Prevseason: | 2017–18 |
| Nextseason: | 2019–20 |
The 2018–19 Campeonato Nacional da Guiné-Bissau is the 42nd season (since independence) of the Campeonato Nacional da Guiné-Bissau, the top-tier football league in Guinea-Bissau. The season started on 22 December 2018.[1] Several clubs play home games at the 20,000-capacity Estádio 24 de Setembro.
Final table.
1.UDIB 26 17 3 6 38-22 54 Champions 2.Nuno Tristão de Bula 26 13 8 5 33-20 47 3.Sporting de Bafatá 26 13 4 9 28-27 43 [2 2 0 0 3-1 6] 4.Sporting da Guiné-Bissau 26 11 10 5 31-14 43 [2 0 0 2 1-3 0] 5.FC Cuntum 26 12 6 8 28-19 42 6.Benfica de Bissau 26 12 5 9 32-17 41 7.Os Balantas de Mansôa 26 9 9 8 21-24 36 8.Flamengo de Pefine 26 8 11 7 21-26 35 9.Portos de Bissau 26 9 6 11 35-33 33 10.FC Pelundo 26 8 5 13 25-26 29 11.Desportivo de Gabú 26 5 11 10 21-30 26 12.Atlético de Bissorã 26 6 7 13 14-25 25 --------------------------------------------------- 13.Lagartos de Bambadinca 26 5 9 12 23-38 24 Relegated 14.Desportivo de Farim 26 3 8 15 16-45 17 Relegated