| Cléden-Cap-Sizun | |
| Native Name: | Kledenn-ar-C'hab |
| Commune Status: | Commune |
| Image Coat Of Arms: | Blason ville fr Cléden Cap Sizun (Finistère).svg |
| Coordinates: | 48.0483°N -4.6461°W |
| Insee: | 29028 |
| Postal Code: | 29770 |
| Arrondissement: | Quimper |
| Canton: | Douarnenez |
| Mayor: | Nadine Kersaudy[1] |
| Term: | 2020 - 2026 |
| Intercommunality: | Cap Sizun - Pointe du Raz |
| Elevation Min M: | 0 |
| Elevation Max M: | 86 |
| Area Km2: | 19.08 |
Cléden-Cap-Sizun (in French pronounced as /kledɛ̃ kap sizœ̃/; Breton: Kledenn-ar-C'hab) is a commune in the Finistère department of Brittany in north-western France, lying on the promontory of Cap Sizun.
Inhabitants of Cléden-Cap-Sizun are called in French Clédinois.
See also: List of twin towns and sister cities in France.
Cléden-Cap-Sizun is twinned with Ballydehob, County Cork, Ireland.