Brett Edward Garsed (born April 20, 1963) is an Australian musician and songwriter, best known for his work as a guitarist with John Farnham and T. J. Helmerich, as well as being a former member of the American band Nelson. Garsed was featured on Derek Sherinian's solo records Planet X (1999) and Planet X's Quantum (2007), and more recently Sherinian's Molecular Heinosity (2010).