The 2003 Wales Rally GB (formally the 59th Wales Rally GB) was the fourteenth round of the 2003 World Rally Championship.

The race was held over four days between 6 November and 9 November 2003, and was based in Cardiff, Great Britain.

Subaru's Petter Solberg won the race, his 5th win in the World Rally Championship.

[1] All dates and times are GMT (UTC±0).