The 1994 James Hardie 12 Hour was an endurance race for production cars held at the Mount Panorama Circuit, Bathurst, New South Wales, Australia on 3 April 1994. It was the fourth running of the "Bathurst 12 Hour". The race was open to cars of which at least ten examples had been sold and registered for use on Australian roads.^[1] Modifications in line with Group 3E Series Production Cars regulations, as published by the Confederation of Australian Motor Sport, were permitted.^[2]

The race was won by Gregg Hansford and Neil Crompton driving a Mazda RX-7 for BP Mazda Motorsport.

The field for the event was divided into the following seven classes:^[3]

• Class A : Small cars up to 1850cc^[3]
• Class B : Medium cars 1801-2500cc^[3]
• Class C : Large cars 2601-4000cc^[3]
• Class S : Sports Cars up to 2200cc^[3]
• Class T : Turbo and four-wheel-drive cars^[3]
• Class V : V8 engines / high performance six cylinder cars^[3]
• Class X : Extra high performance cars^[3]