Portugal was represented at the Eurovision Song Contest 1992 with the song "Amor d'água fresca", composed by Ondina Veloso, with lyrics by Rosa Lobato de Faria, and performed by Veloso herself under her stage name Dina.

The Portuguese participating broadcaster, Radiotelevisão Portuguesa (RTP), selected its entry at the Festival da Canção 1992.

Radiotelevisão Portuguesa (RTP) used the popular Festival da Canção to select its entry for the Eurovision Song Contest 1992.

The winner of each semi-final, selected by an "expert" jury which included Adelaide Ferreira (who represented Portugal in the 1985 contest) entered the final, in which they were joined by five songs selected internally by RTP bringing the total number of songs to 10.

The final was held on 7 March 1992 at the São Luíz Theatre in Lisbon and was hosted by Ana Zanatti and Eládio Clímaco.