Mallusk, or Grange of Mallusk, is a large village and townland (of ) in County Antrim, Northern Ireland. Mallusk is within the urban area of Newtownabbey, and it is also within the Antrim and Newtownabbey Borough Council area. It is situated in the civil parish of Templepatrick and the historic barony of Belfast Lower.
Churches in the area include Hydepark Presbyterian Church and The People's Church, Newtownabbey.
The local primary school, Mallusk Integrated Primary School, is located on Mallusk Road.
The City of Belfast Playing Fields are located in Mallusk.
Diageo bottles Bailey's Irish Cream at a ã41m plant, built in Mallusk around 2004.
Despite being outside of Belfast, Mallusk is served by the 1e and 1f Translink Metro buses. These buses run from Roughfort to Belfast City Centre via Antrim Road and Carlisle Circus.