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)