Pekahou J. M. Cowan (born 2 June 1986) is an Australian rugby union footballer who plays for the Western Force in the Super Rugby competition and represents the Australian Wallabies in international rugby. His usual position is prop and he can play on both sides of the scrum.
Cowan was born in Wellington, New Zealand but moved with his family to Sydney when he was 13 years of age. He was a young golfing talent with a handicap of four at the age of 15, and won a scholarship with the Long Reef Golf Club. Attending Narrabeen Sports High School, he was selected for the Australian Schoolboys rugby union team in 2003 and 2004.
He moved to Perth to further his rugby career and played for the Nedlands club before signing with the Western Force in 2006. He played for the Perth Spirit in the Australian Rugby Championship in 2007.