Teresa of Avila was a prominent Spanish mystic, writer and reformer of the Catholic Church during the 16th century. Some of the synonyms for the name Teresa of Avila include Saint Teresa of Jesus, Teresa of Ávila, Teresa of Avila, Teresa de Cepeda y Ahumada, and Teresa de Jesús. These variations of her name all point to the same person, who is celebrated for her spiritual writings, such as The Interior Castle and The Way of Perfection. Teresa of Avila has been canonized as a saint in the Catholic Church, and her legacy continues to inspire and influence individuals around the world.