1806 in sports

1806 in sports describes the year's events in world sport.

Boxing
Events
 * Hen Pearce retains the English championship but no fights involving him are recorded in 1806.

Cricket
Events England
 * The first two Gentlemen v Players matches take place but the fixture does not occur again until 1819.
 * Most runs – William Lambert 276 (HS 64)
 * Most wickets – Thomas Howard 21

Horse racing
England
 * The Derby – Paris
 * The Oaks – Bronze
 * St Leger Stakes – Fyldener