Cowan Cowan is an island town and locality in the City of Brisbane, Queensland, Australia. In the , the locality of Cowan Cowan had a population of 27 people.
Cowan Cowan is on the western coast of Moreton Island facing Moreton Bay. It is surrounded by Gheebulum Kunungai (Moreton Island) National Park.
There are no formal roads connecting Cowan Cowan to other parts of the island, but there are some sand tracks and beaches which can be used by 4WD vehicles.
The land use is predominantly residential, with some of it being holiday rentals.
In the , Moreton Island (including Cowan Cowan) had a population of 297 people.
In the , the locality of Cowan Cowan had a population of 28 people.
In the , the locality of Cowan Cowan had a population of 27 people.
Cowan Cowan has a number of heritage-listed sites, including:
There are no schools in Cowan Cowan, nor any nearby. Distance education and boarding schools are the alternatives.
There are a number of parks in the area:
Just south of Cowan Cowan is the Cowan Cowan Point Light ().