Peter McDonald (born 22 September 1978) is an Australian former professional road cyclist.

He won the Australian National Road Race Championships in 2009.

A fellow courier introduced him to racing at Randwick Botany Cycling Club located at Heffron Park in Sydney's south east.

Eventually he began to ride full-time for a number of smaller local teams.

Coached by Adam Hogan of Cheeky Transport Bike shop he won Australia's Grafton-Inverell race, and won first National Road series win in Victoria at Bright.