2009–10 Campeonato Nacional da 1ª Divisão de Futsal

The 2009–10 season of the Portuguese Futsal First Division is the 20th season of top-tier futsal in Portugal.

League table
Note: Round 16: Mogadouro - Onze Unidos was suspended due to incidents between players in the pitch. The game was declared lost for both clubs (0-3)

Title playoffs
Extra Time = *