The Chris Waller-trained daughter of Street Cry (IRE) won all eight of her starts in the 2016-17 season with six of them at Group I level, notably a second Cox Plate.
Saturday's Turnbull Stakes victory at Flemington was the 21st consecutive win for the six year-old mare, who was also named champion Middle Distance horse.
Waller won the Bart Cummings award for training and Hugh Bowman the Champion Group I jockey award.
2016-17 Australian Racehorse Of The Year Award winners
Horse of the Year – WINX (Street Cry (IRE))
Champion 2YO - SHE WILL REIGN (Manhattan Rain)
Champion 3YO Filly - YANKEE ROSE (All American)
Champion 3YO Colt or Gelding - FLYING ARTIE (Artie Schiller (USA)
Champion Sprinter – CHAUTAUQUA (Encosta de Lago)
Champion Middle Distance – WINX (Street Cry (IRE)
Champion Stayer – JAMEKA (Myboycharlie (IRE)
Champion Jumper – WELLS (Galileo)
Champion Sire - SNITZEL
Champion Group 1 Jockey - HUGH BOWMAN
The Bart Cummings Award - CHRIS WALLER