Captains Flat is a town in the Southern Tablelands of rural New South Wales, Australia, in Queanbeyan-Palerang Regional Council. It is south of Queanbeyan. Captains Flat township is bounded by the non-urban parts of the locality of Captains Flat in the north, east and west, and Captains Flat Road, the Molonglo River and Foxlow Street in the south.