1831 in sports

1831 in sports describes the year's events in world sport.

Boxing
Events
 * 12 July — having failed to fight him in 1829, Jem Ward finally meets Simon Byrne and wins controversially in the 33rd round. Ward reclaims the English Championship.

Cricket
Events England
 * This season sees Kent wicket-keeper Ned Wenman rise to prominence, though initially as a batsman.
 * Most runs – Ned Wenman 144 @ 16.00 (HS 35)
 * Most wickets – William Lillywhite 40 (BB 7–?)

Horse racing
England
 * 1,000 Guineas Stakes – Galantine
 * 2,000 Guineas Stakes – Riddlesworth
 * The Derby – Spaniel
 * The Oaks – Oxygen
 * St. Leger Stakes – Chorister

Rowing
Events The Boat Race
 * C. Campbell and J. Williams compete for the first English professional sculling championship in London
 * The Oxford and Cambridge Boat Race is not held this year