Oxford Falls is a suburb of northern Sydney, in the state of New South Wales, Australia 20 kilometres north-east of the Sydney central business district in the local government area of Northern Beaches Council.

Alexander Bowen was granted 200 acres (0.81 km2) here in 1878, which he named Bloodwood Gully.

[2] Oxford Falls Post Office opened on 2 January 1924 and closed in 1984.

Wheeler Creek forms part of the border with Cromer.

Garigal National Park borders the suburb, to the north.