Peta Mullens (born 8 March 1988) is an Australian racing cyclist, who currently rides for Liv Brazilian Butterfly Racing.

She is a former Australian road, MTB and cyclo-cross champion.

[4] Less than 24 hours after taking victory in the 2015 Australian National Road Race Championships, Mullens re-signed with Wiggle–Honda.

[5] She has also competed professionally with the Hagens Berman–Supermint team.

In 2024 she has been selected to race the US off-road series Lifetime Grand Prix.