The United Kingdom held a national preselection to choose the song that would go to the Eurovision Song Contest 1973. It was held on 24 February 1973 and presented by Cilla Black.

The 1973 contest became the most watched Eurovision Song Contest in the UK, with 21.54 million watching Cliff Richard perform in Luxembourg.

This was also the first Eurovision Song Contest where Terry Wogan provided the BBC television commentary, having previously provided the BBC radio commentary for the 1971 Contest. Pete Murray returned for the fourth time to provide the radio commentary for BBC Radio 1 and 2 listeners.

"Power To All Our Friends" won the national and went on to come 3rd in the contest.

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