Thousand Guineas is the name of a number of different horse races:
1000 Guineas Stakes in Great Britain 1,000 Guineas Trial Stakes trial race for the 1000 Guineas Stakes in Great Britain Thousand Guineas Prelude and The Thousand Guineas in Australia Poule d'Essai des Pouliches also known as the "French 1,000 Guineas" Irish 1,000 Guineas American 1000 Guineas Stakes New Zealand 1000 Guineas German 1,000 Guineas Guineas (greyhounds), originally the 1,000 Guineas