Northwood is a place in England.

Northwood is also the name of some places in the United States of America. See:

• Northwood, Iowa
• Northwood, New Hampshire
• Northwood, North Dakota
• Northwood, Ohio

Northwood is also a suburb of Sydney, Australia. See: Northwood, New South Wales.

Northwood is also the name of a drama series that ran on CBC.

Northwood is also a CPU core, part of the Pentium 4 series produced by Intel.

There is also a formerly secret military plan called Operation Northwoods.