The counties of Wales may refer to:
- Some principal areas of Wales; of the twenty-two, eleven are styled as "counties", while the remaining eleven are "county boroughs". Although all 22 may be grouped and unofficially called "counties" collectively.
- Preserved counties of Wales, used for ceremonial purposes
- Former administrative counties of Wales (those prior to 1996) — see History of local government in Wales
- Historic counties of Wales
Maps:
<gallery>
File:Wales, administrative divisions - Nmbrs - monochrome.svg|Principal areas of Wales (since 1996)
File:Wales, administrative divisions (preserved counties) - Nmbrs - monochrome.svg|Preserved counties of Wales (since 1996)
File:1974 Wales Counties numbered map.svg|1974–1996 counties of Wales
File:Wales Historic Counties numbered map.svg|Historic counties of Wales (until 1974)
</gallery>
