Wilton is a town of the Macarthur Region of Sydney in New South Wales, Australia in the Wollondilly Shire.

It is located around 80 km south west of the Sydney CBD, within close proximity of Cataract Dam.

[2] In April 2012 the then federal Minister for Transport, Anthony Albanese and Qantas CEO Alan Joyce endorsed the suitability of Wilton as a location for a potential second airport of Sydney.

In April 2014 Prime Minister Tony Abbott confirmed approval for the location of Sydney's second airport at Badgerys Creek.

Apart from a primary school, it has a take away, which includes pizza, and opposite thereof is a BP service station.