The 1968 Sandown Three Hour Datsun Trophy Race was a motor race for Production Touring Cars, staged at the Sandown circuit in Victoria, Australia on 15 September 1968. It was the third race in the history of the event which was to become known as the Sandown 500.
The race was won by Tony Roberts and Bob Watson driving a Holden Monaro HK GTS327.
Note: Given that there were 31 starters in the event, one starter has not been accounted for in the above results.