Collaroy is a suburb in northern Sydney, in the state of New South Wales, Australia. Collaroy is 22 kilometres north-east of the Sydney central business district, in the local government area of Northern Beaches Council. It is part of the Northern Beaches region. Nicknamed “The Roy” by many of the locals.

According to the 2016 census, there were 7,870 residents in Collaroy. The most common ancestries were English 27.9%, Australian 23.7%, Irish 9.7%, Scottish 7.5% and Italian 4.8%. 68.8% of people were born in Australia. The next most common countries of birth were England 6.1% and New Zealand 2.1%. 80.8% of people spoke only English at home. Other languages spoken at home included Italian 1.7% and Portuguese 1.5%. The most common responses for religion were No Religion 31.2%, Catholic 27.5% and Anglican 17.4%.

Collaroy’s public transport consists of buses operated by Keolis Downer Northern Beaches south through to the CBD, Manly, North Sydney (peak hour services only), and north to the suburbs from Narrabeen to Palm Beach.