Cardigan Bay (disambiguation)

Cardigan Bay is a bay in Wales.

Cardigan Bay may also refer to:
 * Cardigan Bay (horse), a New Zealand pacer
 * HMS Cardigan Bay (K630), a Bay-class anti-aircraft frigate of the Royal Navy 1945–1961
 * RFA Cardigan Bay (L3009), a logistics ship of the United Kingdom's Royal Fleet Auxiliary
 * Cardigan Bay, Prince Edward Island, a bay in Prince Edward Island, Canada