| Year: | 1966 |
| Country: | Portugal |
| Broadcaster: | Portuguese: [[Radiotelevisão Portuguesa]]|i=no (RTP) |
| Preselection: | Portuguese: [[Festival da Canção|Grande Prémio TV da Canção Portuguesa]]|i=no 1966 |
| Preselection Date: | 15 January 1966 |
| Song: | Ele e ela |
| Final Result: | 13th, 6 points |
Portugal was represented at the Eurovision Song Contest 1966 with the song "Portuguese: Ele e ela|i=no", written by Carlos Canelhas, and performed by Madalena Iglésias. The Portuguese participating broadcaster, Portuguese: [[Radiotelevisão Portuguesa]]|i=no (RTP), selected its entry at the Portuguese: Grande Prémio TV da Canção Portuguesa|i=no 1966.
Portuguese: [[Radiotelevisão Portuguesa]]|i=no (RTP) held the Portuguese: Grande Prémio TV da Canção Portuguesa|i=no 1966 on 15 January 1966 at 22:00 UTC at Tóbis studios in Lisbon, hosted by Maria Fernanda and Henrique Mendes. Eight songs took part in the final. Jorge Costa Pinto conducted all the songs.[1] The winning song was chosen by a distrital jury, composed by three members, each had 5 votes to be distributed among the songs it intended to award, making a total of 15 votes per district.[2]
| Draw | Artist | Song | Votes | Place | |
|---|---|---|---|---|---|
| 1 | João Maria Tudela | "Outono" | 35 | 4 | |
| 2 | Madalena Iglésias | "Ele e ela" | 81 | 1 | |
| 3 | Sérgio Borges | "Eu nunca direi adeus" | 52 | 2 | |
| 4 | João Maria Tudela | "Ai, gracinha" | 10 | 7 | |
| 5 | Madalena Iglésias | "Rebeldia" | 42 | 3 | |
| 6 | António Calvário | "Encontro para amanhã" | 26 | 5 | |
| 7 | Madalena Iglésias | "Caminhos perdidos" | 19 | 6 | |
| 8 | Tony de Matos | "Nada e ninguém" | 5 | 8 |
| + Detailed Distrital Jury Votes | |||||||||||||||||||||
| Draw | Song | Total | |||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | "Outono" | 1 | 4 | 4 | 1 | 1 | 4 | 12 | 2 | 1 | 1 | 4 | 35 | ||||||||
| 2 | "Ele e ela" | 4 | 5 | 1 | 5 | 7 | 9 | 8 | 1 | 2 | 4 | 8 | 1 | 6 | 12 | 1 | 3 | 4 | 81 | ||
| 3 | "Eu nunca direi adeus" | 1 | 2 | 5 | 7 | 3 | 2 | 1 | 3 | 7 | 13 | 2 | 6 | 52 | |||||||
| 4 | "Ai, gracinha" | 4 | 1 | 1 | 2 | 1 | 1 | 10 | |||||||||||||
| 5 | "Rebeldia" | 4 | 1 | 5 | 1 | 11 | 6 | 1 | 3 | 4 | 6 | 42 | |||||||||
| 6 | "Encontro para amanhã" | 5 | 1 | 1 | 2 | 6 | 4 | 2 | 4 | 1 | 26 | ||||||||||
| 7 | "Caminhos perdidos" | 8 | 3 | 1 | 2 | 5 | 19 | ||||||||||||||
| 8 | "Nada e ninguém" | 3 | 2 | 5 |
On the night of the final Iglésias performed 8th in the running order, following Finland and preceding Austria. At the close of the voting the song had received 6 points, coming 13th in the field of 18 competing countries. The Portuguese jury awarded its 5 points to Spain.[3] The orchestra during the Portuguese entry was conducted by Jorge Costa Pinto.[4]