North Kellyville is a suburb of Sydney, in the state of New South Wales, Australia.

It is located 37 kilometres north-west of the Sydney central business district within the local government area of The Hills Shire.

The primary retail area is situated at the junction of Withers and Hezlett Roads, where North Kellyville Square is located.

An Aldi supermarket and other specialty stores can be found at the North Village, at the corner of Hezlett and Beaton Roads.

Rouse Hill Town Centre is easily accessible through regular bus services.