The Portuguese Roller Hockey First Division (Portuguese: Campeonato Nacional da Primeira Divisão de Hóquei em Patins or simply 1ª Divisão; literally: Roller Hockey First Division National Championship) is the premier roller hockey league in Portugal. It was established in 1939 and Sporting CP were crowned as the first champions. Benfica are the current champions and, along with Porto, are the record winners, with 24 titles. The league is contested by 14 teams, with the top four teams qualifying for the following season's Rink Hockey Euroleague and the fifth to eighth placed teams qualifying for the World Skate Europe Cup. The bottom three teams are relegated to the second-tier Portuguese Roller Hockey Second Division.

Portugal I Divisão - rulluisuhoki on Portugali kõrgeima taseme rulluisuhokiturniir. Turniiri korraldab Portugali Rulluisuhoki Föderatsioon (FPP). Turniiril osaleb 12 meeskonda, kes mängivad põhiturniiril kahekordse ringmängu süsteemis. Põhiturniiri neli paremat meeskonda pääsevad play-off'i, kus selgitatakse välja turniiri meister. Turniiri võitja kvalifitseerub Euroopa meistrite liigasse.