The 1981 Australian Grand Prix was a Formula Pacific race held at Calder Park Raceway on 8 November 1981.

It was the forty sixth Australian Grand Prix and the first to be restricted to Formula Pacific racing cars. It was the first AGP since 1968 to feature two or more current or past World Drivers' Champions with reigning 1981 World Champion Nelson Piquet of Brazil and Australia's 1980 World Champion Alan Jones both in the field.
Results

Pos No Driver Car Laps Time
1 19 Roberto Moreno Ralt RT4 Ford 100 1h 07m 39.2s
2 9 Nelson Piquet Ralt RT4 Ford 99
3 12 Geoff Brabham Ralt RT4 Ford 99
4 3 Larry Perkins Ralt RT4 Ford 99
5 5 Andrew Miedecke Ralt RT4 Ford 99
6 18 David Oxton Ralt RT4 Ford 98
7 6 Ray Mallock Ralt RT4 Ford 98
8 62 Bruce Allison Ralt RT4 Ford 98
9 2 Charlie O'Brien Ralt RT4 Ford 98
10 84 Alfredo Costanzo Tiga FA81 Ford 97
11 Peter Larner Kaditcha Ford 97
12 71 John Smith Ralt RT4 Ford 96
13 Ron Barnacle Ralt RT1 Ford 90
14 48 Ray Hangar March 77B Ford 87
Ret 27 Alan Jones Ralt RT4 Ford 93 transmission
Ret 26 Jacques Laffite Ralt RT4 Ford 43 oil line
Ret 77 Peter Williamson Toleman TA860 Toyota 40 accident
Ret 4 John Bowe Ralt RT4 Ford 15 water pump belt
Ret 26 Lucio Cesario Ralt RT3 Golf 10 broken valve spring
Ret Bob Creasy Birranna 273 Ford 6 spin
DNS Mike Quinn Galloway HG1 Ford gearbox input shaft