The Titulus Crucis is a venerated piece of wood kept in the Church of Santa Croce in Gerusalemme in Rome which is claimed to be the titulus of the True Cross on which Jesus Christ was crucified. It is venerated by some Catholics as a relic associated with Jesus. Its authenticity is disputed, with some scholars confirming a plausible authenticity, while others ignore or consider it to be a medieval forgery. Radiocarbon dating tests on the artifact have shown that it dates between 980 and 1146 AD.

The Basilica of the Holy Cross in Jerusalem or Basilica di Santa Croce in Gerusalemme is a Catholic Minor basilica and titular church in rione Esquilino, Rome, Italy. It is one of the Seven Pilgrim Churches of Rome.