Tom Cusack is an Australian professional rugby union player who currently plays as a flanker for the Brumbies in Super Rugby. He has experience from representing Australia at Schoolboys and under 20s level and is a former member of the ARU National Gold Squad. He was drafted into the Australia Sevens squad for the Wellington Sevens in 2013. Cusack represented the Australian Sevens at the Commonwealth Games in 2014 and was a key member that competed at the 2016 Rio Olympics. In 2017, Cusack made his debut for the Brumbies, and was named captain of the Vikings team for the 2017 NRC season.