• 2005 in rugby union by country (9 C)
• 2005 rugby union tournaments for national teams (1 C, 16 P)

/

• Rugby clubs established in 2005 (27 P)

A

• 2005 in African rugby union (1 C, 3 P)
• 2005 in Asian rugby union (2 C, 6 P)

C

• 2005 rugby union tournaments for clubs (3 C, 7 P)

E

• 2004–05 in European rugby union (6 C, 14 P)
• 2005–06 in European rugby union (6 C, 14 P)

N

• 2005 in North American rugby union (2 C, 5 P)

O

• 2005 in Oceanian rugby union (1 C, 8 P)

R

• 2005 rugby sevens competitions (2 C, 10 P)

S

• 2005 in South American rugby union (1 C, 5 P)

T

• 2005 rugby union tours (16 P)

W

• 2005 in women's rugby union (2 C, 5 P)