Acrasia (foaled 1897)[1] was an Australian racehorse that won the 1904 Melbourne Cup.

Bred and owned by bookmaker Humphrey Oxenham, Acrasia finished fourth in the 1902 Melbourne Cup.

[1] She was ridden by jockey Tom Clayton and carried 7 st. 6 lbs.

(47.17 kg) to win the 1904 Melbourne Cup as a seven-year-old at odds of 14/1.

[1] Her owner, Humphrey Oxenham, was a bookmaker who, while playing poker, staked her and lost ownership to John Mayo.