Patrick Johnson (born 26 September 1972, Cairns, Queensland) is an Australian athlete. He is the current Oceanian and Australian record holder in the 100 metres; his personal best time is 9.93 seconds, achieved in Mito, Japan, on 5 May 2003. This time is also the best legal (non-wind assisted) result of all time for a man not of West African descent, making him among the few non-West African to break the 10-second barrier.

He reached the finals in both the 100 and 200 metres at the 2006 Commonwealth Games, and the 200m final in the 2005 World Championships. He represented Australia at the Olympic Games in 2000.

His Mother is Aborigine and Father is Irish.