Category:2003–04 in European rugby union

• 2003–04 in European rugby union by country‎ (12 C)

E

• 2003–04 European Challenge Cup‎ (3 P)

H

• 2003–04 Heineken Cup‎ (5 P)

L

• 2003–04 in European rugby union leagues‎ (3 C, 3 P)

S

• 2004 Six Nations Championship‎ (3 P)

W

• 2003–04 in European women's rugby union‎ (3 P)