Beecroft is a suburb in the Northern Sydney region of Sydney, in the state of New South Wales, Australia 22 kilometres north-west of the Sydney central business district in the local government areas of Hornsby Shire and City of Parramatta.

Beecroft railway station is on the Main Northern railway line. In addition to passenger railway traffic, the Main Northern Line also acts as an intercity and freight train thoroughfare passing through Beecroft. Beecroft is also serviced by various bus routes including route 553 operated by Busways and routes 651 and 635 operated by CDC NSW.