Electoral district of Hornsby

Electoral district of Hornsby is an electoral district of the New South Wales Legislative Assembly in Australia. Hornsby is one of two post-1927 electorates to have never been held by the party and always by the Liberals, a predecessor party to the Liberals, or an independent, the other such district being Vaucluse. It was represented by Matt Kean of the Liberal Party from 2011 until his resignation in 2024 and remains currently vacant pending a by-election.

Geography
On its current boundaries, Hornsby takes in the suburbs of Asquith, Berrilee, Berowra, Berowra Heights, Berowra Waters, Brooklyn, Canoelands, Cowan, Dangar Island, Galston, Glenorie, Hornsby Heights, Laughtondale, Mount Colah, Mount Kuring-gai, Singletons Mill, Sunny Corner and parts of Dural, Hornsby, Middle Dural, Pennant Hills, Round Corner, Thompsons Corner and Wisemans Ferry.