1931 in sports describes the year's events in world sport.

Alpine skiing

FIS Alpine World Ski Championships Inaugural FIS Alpine World Ski Championships are held at Mürren, Switzerland. The events are a downhill and a slalom race in both the men's and women's categories. The winners are:

American football

Association football

England Germany Spain Italy Brazil

Athletics

Australian rules football

VFL Premiership South Australian National Football League Western Australian National Football League

Bandy

Sweden

Baseball

World Series Major League Baseball Negro leagues

Basketball

ABL Championship College Championship Events

Bobsleigh

Bobsleigh World Championships

Boxing

Events Lineal world champions

Canadian football

Grey Cup

Cricket

Events England Australia India New Zealand South Africa West Indies

Cycling

Tour de France Other events

Figure skating

World Figure Skating Championships

Golf

Major tournaments Other tournaments

Harness racing

USA

Horse racing

England Australia Canada France Ireland USA

Ice hockey

Stanley Cup Ice Hockey World Championships Other events

Motorsport

Nordic skiing

FIS Nordic World Ski Championships

Rowing

The Boat Race

Rugby league

England Australia

Rugby union

Five Nations Championship

Snooker

World Championship

Speed skating

Speed Skating World Championships

Tennis

Australia England France USA Davis Cup

Awards

Associated Press Athlete of the Year