1783 in sports

1783 in sports describes the year's events in world sport.

Boxing
Events
 * June — Tom Johnson defeated Jack Jurvis at Walworth in a 15 minute fight. It's not known if this was for the championship or not.

Cricket
Events England
 * A report in the Whitehall Evening Post stated that "the 3rd Duke of Dorset’s cricketing establishment, exclusive of any betting or consequential entertainment, is said to exceed £1,000 a year".
 * Most runs – John Small 157
 * Most wickets – William Bullen 18

Horse racing
England
 * The Derby – Saltram
 * The Oaks – Maid of the Oaks
 * St Leger Stakes – Phoenomenon