Campeonato Nacional Basquetebol
# Campeonato Nacional Basquetebol

The 1st and 2nd divisions of the Campeonato Nacional Basquetebol - CNB are, respectively, the third and fourth basketball leagues in Portugal. They league were created in 2003.

List of CNB champions :

| Year | 1st Division | 2nd Division |
| - | - | - |
| 2003–04 | Basquet de Ovar | Sanjoanense |
| 2004–05 | Basquet de Ovar (2) | Seixal |
| 2005–06 | Galitos | Olivais |
| 2006–07 | EB Porto | CI Montemor/Ginásio |
| 2007–08 | Barcelos | Salesianos |
| 2008–09 | Póvoa | Beira-Mar |
| 2009–10 | Guifões | Oliveirense |
| 2010–11 | Oliveirense | Esgueira |
| 2011–12 | Imortal | SIMECQ |
| 2012–13 | Esgueira | Imortal |
| 2013–14 | Atlético Clube de Portugal | Not held |
| 2014–15 | Dragon Force "B" | Not held |
| 2015–16 | Académico do Porto | Not held |
| 2016–17 | Imortal (2) | Not held |
| 2017–18 | Braga | CB Queluz |
| 2018–19 | Póvoa (2) | Ovarense "B" |
| 2019–20 | Cancelled due to coronavirus pandemic. | Cancelled due to coronavirus pandemic. |
