Electoral district of Lake Macquarie

Lake Macquarie New South Wales—Legislative Assembly
State	New South Wales
Dates current	1950–present
MP	Greg Piper
Party	Independent
Area	531.46 km² (205.2 sq mi)

Lake Macquarie is an electoral district of the Legislative Assembly in the Hunter Region of the Australian state of New South Wales. It is currently represented by the independent Greg Piper.

Lake Macquarie currently is entirely located in the City of Lake Macquarie and includes suburbs as far north as Killingworth, Boolaroo and Cardiff and as far east as Cardiff South. Suburbs further north are in Cessnock and Wallsend and suburbs further east are in Charlestown and Swansea.