← → Events in the year 1975 in Portugal.

Portugal participated in the Eurovision Song Contest 1975, with Duarte Mendes and the song "Madrugada".

In association football, for the first-tier league seasons, see 1974–75 Primeira Divisão and 1975–76 Primeira Divisão; for the Taça de Portugal seasons, see 1974–75 Taça de Portugal and 1975–76 Taça de Portugal.

Establishment of the Portuguese Handball Women's Cup.

Establishment of G.D. Tourizense.