The Carnonacae were a people of ancient Britain, known only from a single mention of them by the geographer

Ptolemy Claudius Ptolemy (; grc-gre, Πτολεμαῖος, ; la, Claudius Ptolemaeus; AD) was a mathematician, astronomer, astrologer, geographer, and music theorist, who wrote about a dozen scientific treatises, three of which were of importanc ...

c. 150. From his general description and the approximate locations of their neighbors, their territory was along the western coast of modern

Ross-shire Ross-shire (; gd, Siorrachd Rois) is a historic county in the Scottish Highlands. The county borders Sutherland to the north and Inverness-shire to the south, as well as having a complex border with Cromartyshire – a county consisting ...

. Ptolemy does not provide them with a town or principal place.

References

* {{Iron Age tribes in Britain Historical Celtic peoples Picts Tribes mentioned by Ptolemy