In Welsh mythology and literature, the Pair Dadeni (Cauldron of Rebirth) is a magical cauldron able to resurrect the dead. It plays a key role in Branwen ferch Llŷr, the second branch of the Mabinogi. It is one of a number of magic cauldrons in Welsh legend and folklore, including the cauldron of Diwrnach the Irishman in Culhwch and Olwen, the cauldron of the Head of Annwn in Preiddeu Annwfn and the cauldron of Cerridwen in the tale of Taliesin.