Olivia Ellena Downes (born 18 December 2000) is a field hockey player from Australia, who plays as a forward.
Olivia Downes was born in Melbourne, Victoria, and grew up in Brighton.
Downes is a member of the Essendon Hockey Club in Melbourne's Premier League competition.
In Hockey Australia's national league, the Sultana Bran Hockey One League, Downes represents HC Melbourne.
Following a successful national league season, Downes was named in the national development squad for 2023. In May, she was named to make her senior international debut in a test series against India in Adelaide.