Brigid's cross or Brigit's cross is a small variant of the cross often woven from straw or rushes. It appears in many different shapes, but the most popular designs feature a woven diamond or lozenge in the centre. The cross is named for the Christian saint Brigid of Kildare.

Brigid or Brigit, also Bríg, is a goddess of pre-Christian Ireland. She appears in Irish mythology as a member of the Tuatha Dé Danann, the daughter of the Dagda and wife of Bres, with whom she had a son named Ruadán.