1812 in sports

1812 in sports describes the year's events in world sport.

Boxing
Events
 * Tom Cribb retains his English championship. His only known fight at this time is against "Symonds, the Jew" at Cripplegate in London.

Cricket
Events England
 * Only one first-class match is recorded as the Napoleonic War takes its toll of cricket's manpower and investment.
 * Most runs – Lord Frederick Beauclerk 87
 * Most wickets – Thomas Howard 8

Horse racing
England
 * 2,000 Guineas Stakes – Cwrw
 * The Derby – Octavius
 * The Oaks – Manuella
 * St. Leger Stakes – Otterington