United Kingdom in the Junior Eurovision Song Contest 2003

The United Kingdom participated in the inaugural Junior Eurovision Song Contest 2003, which was held on 15 November 2003 in Copenhagen, Denmark. National broadcaster ITV was responsible for their participation and organised a national final to select the British entry. Ultimately, Tom Morley was selected with "My Song for the World".

Tom Morley performed twelfth in the running order, following the entry from Belgium and preceding the entry from Denmark. The United Kingdom finished in third position with 118 points.

Junior Eurovision Song Contest 2003: The British Final
The final was held on 6 September 2003 at Carlton Studios in Nottingham, and was broadcast on ITV1. The show was presented by Mark Durden-Smith and Tara Palmer-Tomkinson, and regional televoting groups selected the winner from the eight competing acts.

At Junior Eurovision
On the night of the contest, held in Copenhagen, Denmark, Tom Morley performed 12th in the running order of the contest, following Belgium and preceding Denmark. At the close of the voting Morley has received 118 points, placing 3rd of the 16 competing entries, beaten by Spain and winners' Croatia.

In the United Kingdom, the show was televised on ITV1 with commentary by national final hosts Durden-Smith and Palmer-Tomkinson. The British spokesperson, who announced the British votes during the final, was national finalist Sasha Stevens. The live broadcast averaged 5 million viewers.