The 2017 Wilson Security Sandown 500 was a motor racing event for Supercars, held from 15 to 17 September 2017 at Sandown Raceway in Melbourne, Victoria. It consisted of one race, scheduled for 499.744 kilometres in length (161 laps), it was shortened to 388 kilometres in length because of a time limit (4:48 p.m. local time) imposed by Supercars. It was the tenth event of fourteen in the 2017 Supercars Championship and hosted Race 19 of the season. It was also the first event of the 2017 Enduro Cup.