List of bus routes in Cardiff

This is a list of bus routes in Cardiff, the capital and most populous city in Wales.

Most of the city's comprehensive bus network is operated by Cardiff Bus, but other operators such as Stagecoach in South Wales, Newport Bus and First Cymru link the city with other urban areas in South Wales. Trawscambria operates a long distance route to Aberystwyth, West Wales, whereas National Express operates long distance coaches to towns and cities throughout England.