Category:2005–06 in European rugby union by country

• 2005–06 in British rugby union (3 C, 2 P)

E

• 2005–06 in English rugby union (4 C, 13 P)

F

• 2005–06 in French rugby union (4 C, 13 P)

I

• 2005–06 in Irish rugby union (4 C, 12 P)
• 2005–06 in Italian rugby union (3 C, 9 P)

R

• 2005–06 in Romanian rugby union (1 C, 4 P)
• 2005 in Russian rugby union (3 P)
• 2006 in Russian rugby union (5 P)

S

• 2005–06 in Scottish rugby union (4 C, 13 P)
• 2005–06 in Spanish rugby union (1 P)

W

• 2005–06 in Welsh rugby union (3 C, 12 P)