| << 1966 | 1967 | 1968 >> |
| Results |
| Country | Artist | Song | |
| Austria | Peter Horton | Warum es hunderttausend Sterne gibt | |
| Belgium | Louis Neefs | Ik heb zorgen | |
| Finland | Fredi | Varjoon – suojaan | |
| France | Noëlle Cordier | Il doit faire beau là-bas | |
| Germany | Inge Brück | Anouschka | |
| Ireland | Sean Dunphy | If I Could Choose | |
| Italy | Claudio Villa | Non andare più lontano | |
| Luxembourg | Vicky Leandros | L’amour est bleu | |
| Monaco | Minouche Barelli | Boum-Badaboum | |
| Netherlands | Thérèse Steinmetz | Ring-Dinge-Ding | |
| Norway | Kirsti Sparboe | Dukkemann | |
| Portugal | Eduardo Nascimento | O vento mudou | |
| Spain | Raphael | Hablemos del amor | |
| Sweden | Östen Warnerbring | Som en dröm | |
| Switzerland | Géraldine Gaulier | Quel cœur vas-tu briser? | |
| United Kingdom | Sandie Shaw | Puppet on a String | |
| Yugoslavia | Lado Leskovar | Vse rože sveta | |
| Non-Participating Entries | |||
| Italy | Claudio Villa | Non pensare a me | |