Cook (postcode: 2614) is a suburb of the Belconnen district of Canberra, located within the Australian Capital Territory, Australia.

[3] For the purposes of Australian federal elections for the House of Representatives, Cook is in the Division of Canberra.

For the purposes of Australian Capital Territory elections for the ACT Legislative Assembly, Cook is in the Ginninderra electorate.

[4] Greywacke from the Ordovician Pittman Formation forms a band down the east of Cook.

A porphyry of Green-grey Dacitic intrusive containing large white feldspar crystals is found in the north east corner of Cook.