Catechism of the Catholic Church §2666 — excerpt
But the one name that contains everything is the one that the Son of God received in his incarnation: JESUS. the divine name may not be spoken by human lips, but by assuming our humanity the Word of God hands it over to us and we can invoke it: "Jesus," "YHWH saves."
This translation is under copyright, so only the cited words are quoted here. Follow the link for the full text. Translation: English translation of the Catechism of the Catholic Church, 2nd ed. (Libreria Editrice Vaticana), as posted at vatican.va.