• Games and sports introduced in 1931‎ (2 C, 3 P)
• 1931 in sport by continent‎ (7 C)
• 1931 in sports by country‎ (50 C)
• 1931 sports events by month‎ (12 C)

/

• Sports organizations disestablished in 1931‎ (2 C)
• Sports organizations established in 1931‎ (2 C, 23 P)
• Recurring sporting events disestablished in 1931‎ (1 C, 5 P)
• Recurring sporting events established in 1931‎ (1 C, 32 P)

+

• 1931 in women's sport‎ (6 C, 1 P)

0–9

• 1931 in multi-sport events‎ (4 P)

A

• 1931 in American football‎ (4 C)
• 1931 in archery‎ (1 P)
• 1931 in athletics (track and field)‎ (7 P)

B

• 1931 in badminton‎ (2 P)
• 1931 in baseball‎ (4 C, 1 P)
• 1931 in basketball‎ (5 C)

C

• 1931 in Canadian football‎ (2 P)
• 1931 in chess‎ (6 P)
• 1931 in cricket‎ (9 C, 3 P)
• 1931 in cue sports‎ (1 C)
• 1931 in cycle racing‎ (1 C, 2 P)

E

• 1931 in equestrian sports‎ (1 C)

F

• 1931 in football‎ (3 C)

G

• 1931 in Gaelic football‎ (6 P)
• 1931 in Gaelic games‎ (3 C)
• 1931 in golf‎ (1 C, 4 P)

H

• 1931 in handball‎ (1 C)
• 1931 in hockey‎ (4 C)
• 1931 in hurling‎ (1 C, 9 P)

M

• 1931 in motorsport‎ (3 C, 6 P)

R

• 1931 in rugby league‎ (2 C, 1 P)
• 1931 in rugby union‎ (5 C)

S

• 1931 in snooker‎ (1 P)
• 1931 in squash‎ (1 C, 1 P)

T

• 1931 in table tennis‎ (2 C, 1 P)
• 1931 in tennis‎ (8 C, 9 P)

V

• Sports venues completed in 1931‎ (56 P)
• Sports venues demolished in 1931‎ (1 P)
• 1931 in volleyball‎ (1 C)

W

• 1931 in water sports‎ (2 C, 2 P)
• 1931 in winter sports‎ (9 C)