Wyong Shire was a local government area located in the Central Coast region of New South Wales, Australia.

The area included a coastal strip from Bateau Bay to Budgewoi, some lakeside towns and residential areas, some inland towns on the coastal plain and a sparsely populated region to the west with the rural townships of Yarramalong, Dooralong, Jilliby, and regions of native bush surrounding Kulnura.

Suburbs, towns and localities in the Wyong Shire were: The traditional Aboriginal inhabitants of the lands now known as the Brisbane Water were the Guringai people of the Eora nation.

[3] The area now known as Wyong Shire developed alongside Putty Road, connecting Sydney and the Hunter Valley, with agriculture and timber forming the early industries.

In 1811, the Governor of New South Wales, Lachlan Macquarie, gave the first land grant in the region to William Nash, a former marine of the First Fleet.

[4] In 1840, the Brisbane Water Police District was proclaimed covering the area from the Hawkesbury River to Lake Macquarie and which administered local government under the control of magistrates.

[7] This experiment in local government was not very successful, with much public opposition focused on the issue of increased taxation, and a lack of oversight and faulty administration led to the collapse of many of these District Councils.

[8] However, no petition was ever sent from the residents of Brisbane Water to the government under this act, and local matters reverted to the police magistrates for determination.

[21][22][23][24][25] Following significant debate about the provision of electricity undertakings across the Central Coast, including over the split between Erina Shire and Gosford,[26] on 16 October 1942 Gosford Municipality combined with the Shires of Erina and Woy Woy to form the Brisbane Water County Council to provide electricity to the combined area of the three councils.

[30] The formal government inquiry subsequently supported the proposal and in April 1946, Cahill notified the councils of his intention to proceed.

[41] The Wyong Library Service eventually expanded to five branches at Toukley, The Entrance, Tuggerah (1995), Lake Haven (2002), and Bay Village.

[59] This Act restricted aircraft movements, the length and siting of the runway, and any future expansion of airport operations, and compensated residents for $65,000 in legal bills.

[60][61] This Act severely restricted development of the airport by imposing restrictions on landings and take-offs per day that ensured that a longer runway would never be economically viable, with Wyong Mayor Tony Sheridan noting that the delay in the development had "jeopardised hundreds, if not thousands, of local jobs which would be generated by the airport upgrading and the increase in tourism".

[52][62] In 1999, the Wyong Shire Council proposed extending the runway to 1600 metres to cater for jet aircraft of between 50 and 116 passengers, but the plans were eventually scrapped in a council meeting in February 2003 and decided instead on other options for development, including assisting the establishment of a $100 million distribution centre for Woolworths Limited on part of the land initially earmarked for the airport upgrade.

[65] With the public release of this review, in July 2020 the Minister for Planning and Public Spaces, Rob Stokes, announced the government's acceptance of all the report's recommendations, including the act's repeal, and the Warnervale Airport (Restrictions) Repeal Bill 2020 was passed by the Legislative Assembly on 14 October 2020, receiving royal assent on 24 February 2021 .

In excess of 65.0% of all residents in the Wyong Shire nominated a religious affiliation with Christianity at the 2011 Census, which was significantly above the national average of 50.2%.

Wyong Shire was a sister city to Tanabe, Wakayama Prefecture, Japan, and Southland District, New Zealand until 2010 when ties were severed for financial reasons.