Saint John of Avila (1500–1569) was a Spanish priest, mystic, and theologian, known for his deep spirituality and influence during the Catholic Reformation. He was a passionate preacher, emphasizing personal holiness and the importance of the sacraments. Often referred to as the “Apostle of Andalusia,” he worked to revive and reform the clergy, urging them to live lives of integrity and devotion. John was a spiritual director to many, including Saint Teresa of Ávila and Saint John of the Cross. Canonized in 1970, he is also a Doctor of the Church, recognized for his writings on spirituality and pastoral care.
The Canadian Conference of Catholic Bishops (CCCB) has decreed that this is a Holy Day of Memorial (Optional) to be observed in Canada.