Greengrove is a locality of and town within the Central Coast region of New South Wales, Australia, near Mangrove Mountain and adjoining the Popran National Park about 40 kilometres (25 mi) west of Gosford. It is part of the Central Coast Council local government area.

Greengrove is a narrow north-to-south locality spread along the east bank of Mangrove Creek and is traversed by Wisemans Ferry Road. Two district pioneers, Elizabeth Donovan (1791–1891) and Richard Woodbury (1811–1897) are honoured with parks bearing their name within the locality.