Events in the year 1966 in Portugal.
Portugal participated in the Eurovision Song Contest 1966, with Madalena Iglésias and the song "Ele e ela".
In association football, for the first-tier league seasons, see 1965âÂÂ66 Primeira Divisão and 1966âÂÂ67 Primeira Divisão; for the Taça de Portugal seasons, see 1965âÂÂ66 Taça de Portugal and 1966âÂÂ67 Taça de Portugal.