Graham Alexander Ingerson (born 27 August 1941) is a former Australian politician and 8th Deputy Premier of South Australia from 1996 to 1998.
Ingerson was a Liberal Party member of the House of Assembly seat of Bragg between 1983 and 2002.
He was promoted again to Cabinet Secretary in February 2000, but had to resign that in October 2001, over his handling of the Hindmarsh Soccer Stadium.
"[3] As of 2016, Ingerson is a registered political lobbyist in the state of South Australia.
[4] Notable interests he represents include the Australian Maritime and Fishing Academy, the supermarket chains Foodland, IGA and Romeos, Clean Seas Seafood (listed as The Stehr Group of Companies) and ASX-listed mining company, Terramin.