Boolaroo is a suburb and former town of Greater Newcastle, city of Lake Macquarie, in New South Wales, Australia.

In the 2016 census, Boolaroo recorded a population of 1,039 people, 50.5% female and 49.5% male. The median age of the Boolaroo population was 42 years, 4 years above the national median of 38, with 88.0% of people living in Boolaroo were born in Australia. The other top responses for country of birth were England 1.9%, New Zealand 1.7%, Philippines 1.0%, Scotland 0.4% and Wales 0.4%. 94.0% of people spoke only English at home; the next most common languages were 1.1% Tagalog, 0.4% Mandarin, 0.3% French, 0.3% Italian and 0.3% Serbo-Croatian/Yugoslavian, so described.

Within Boolaroo is the Cockle Creek railway station, a small station on the Central Coast & Newcastle Line.