Major General Peter John Abigail, (born 6 April 1948) is a retired Australian Army officer who held a number of senior commands, including Deputy Chief of Army (1998–2000) and Land Commander Australia (2000–2002).
Following his retirement from the army, Abigail served as the Executive Director of the Australian Strategic Policy Institute from 2005 until 2011.
He also served as a member of the three-person Ministerial Advisory Panel for the 2009 Defence White Paper.