Category:2020–21 in European rugby union by country

• 2020–21 in British rugby union (3 C, 1 P)
• 2020–21 in Romanian rugby union (2 P)
• 2020–21 in Spanish rugby union (1 C)

E

• 2020–21 in English rugby union (4 C, 8 P)

F

• 2020–21 in French rugby union (4 C, 8 P)

I

• 2020–21 in Irish rugby union (4 C, 12 P)
• 2020–21 in Italian rugby union (4 C, 7 P)

R

• 2020 in Russian rugby union (2 C, 1 P)
• 2021 in Russian rugby union (2 C, 1 P)

S

• 2020–21 in Scottish rugby union (4 C, 10 P)

W

• 2020–21 in Welsh rugby union (4 C, 8 P)