Category:1998–99 in European rugby union

• 1998–99 in European rugby union by country‎ (9 C)

E

• 1998–99 European Challenge Cup‎ (3 P)

H

• 1998–99 Heineken Cup‎ (6 P)

L

• 1998–99 in European rugby union leagues‎ (1 C, 3 P)

W

• 1998–99 in European women's rugby union‎ (2 P)