The 1934–35 Campeonato da Liga season was the first season of top-tier football in Portugal. Although that, the most important national competition (in a knock-out cup format) was still called Portuguese Championship, until 1938, the competition was considered not very competitive with a reduced number of matches played by each team. So a new competition, in round-robin format was created ind 1934, with 8 clubs. Although at time the winner of the Portuguese Championship was considered the National Champion, later, the winner of Campeonato da Liga 1934–35 would be considered the first National Champion.^[1][2]

Académica

FC Porto

Académico

Setúbal

Belenenses

U. Lisboa

Benfica

Sporting

Location of teams in the 1934–35 Liga

For the tournament, there were invited 8 clubs from the 4 major Portuguese District Football Associations: 4 teams from Lisbon FA, 2 from Porto FA, 1 from Setúbal FA and 1 from Coimbra FA. F.C. Porto won the championship. There were no relegations or promotions, since qualification was based on the results of the Regional Championships.^[3]