2003–04 European Nations Cup First Division

The 2003–04 European Nations Cup was the fourth edition of the newly reformed European Championship for tier 2 and 3 rugby union nations. This was the second two-year cycled championship, the first to be planned from the start.

The title was won by Portugal for the first time, with their Iberian neighbours Spain being relegated. Portugal won all their games, except to a loss abroad to Romania. The Championship saw another new face in the Czech Republic who replaced the relegated Netherlands.

Week 1

 * The match between the Czech Republic and Romania, originally scheduled for 15 February, was postponed.

Week 2

 * The match between the Czech Republic and Russia, originally scheduled for 22 February, was postponed.

Week 7

 * The game between Russia and the Czech Republic, originally scheduled for 21 February 2004 and postponed due to snow, was not played.