The Ordovices are one of the Celtic tribes living in Great Britain, before the Roman invasion of Britain.

Its tribal lands are located in present day Wales and England between the Silures to the south and the Deceangli to the north-east.

The Ordovices are conquered by the Roman governor Gnaeus Julius Agricola in the campaign of CE 77/78.The Celtic name ordo-wik- could have a meaning in some way related to the word for "hammer"; Irish 'Ord', Welsh 'Gordd' (with a G- prothetic) and Breton 'Horzh' (with a H- prothetic), all of which mean "hammer."