North Epping is a suburb of Sydney, in the state of New South Wales, Australia 19 kilometres north-west of the Sydney central business district in the local government area of Hornsby Shire. North Epping is in the Northern Suburbs region. Epping is a separate suburb to the south and under a different city council Parramatta City Council, which shares the postcode of 2121.

North Epping is a leafy suburb, surrounded by bushland of the upper section of Lane Cove National Park. There are many walking trails, including the Great North Walk. One of the well known landmarks is Whale Rock.

The Wallumedegal Aboriginal tribe lived in the area between the Lane Cove River and Parramatta River, which was known as Walumetta.

In 1792 Governor Phillip began the granting of parcels of lands to marines, and the area was referred to on Phillip's maps as the Field of Mars, named after the Roman Field of Mars probably because of the military link. It contained the area of what is now Epping and North Epping. The name Epping is derived from Epping Forest in Essex, England.

In the early hours of 18 July 2009, the Lin family, consisting of Min Lin, Yun Li Lin, her sister Yun Lin, and the parents' two children Henry and Terry Lin, were all murdered at their home on Boundary Road, North Epping. Robert Xie was arrested at his home in North Epping on 5 May 2011 at 9.00am for killing the family. He is currently on trial. Brenda Lin, the last living member of the family, lived with the alleged killer and his wife for 22 months. A funeral was held for the family at Sydney Olympic Park, New South Wales on 8 August 2009.

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