Carew Cross (Croes Caeriw) is an 11th-century Grade I listed monument in the village of Carew, Pembrokeshire, Wales.
The cross is an important example of an 11th-century memorial Celtic cross and is believed to commemorate the brother of Hywel ab Edwin, Maredudd ab Edwin of Deheubarth, who died in 1035. The brothers were joint rulers of Deheubarth, and the cross is thought to date from around the time of Maredudd's death. It was first known to be placed in Carew, Pembrokeshire, from around 1690. The previous location for the stone is unknown. It is suspected that when it was moved to Carew, it was as ornamentation for nearby Carew Castle. The damage to the cross, where part of the stone has flaked away, occurred prior to 1690.
In 1811, the cross stood on a low plinth. The plinth was altered around 15 years later to align it with the newly lowered road. The top stone became dislodged in 1844, and it was re-set in the slot with lead. The cross was moved away from t