Why the Catholic Church Doesn't Recognize Protestant Ordinations

The Catholic Church holds a specific theological understanding of ordination as a sacrament requiring an unbroken line of apostolic succession, which it believes is absent in most Protestant traditions.

By Garret Merkley · Explainer · Jun 16, 2026

Branched from How Apostolic Succession Works in Different Christian Traditions

Quick take

Catholicism views ordination as a sacrament, Holy Orders, passed down through apostolic succession.
It requires an unbroken historical line of bishops tracing back to the Apostles for validity.
Most Protestant ordinations lack this perceived unbroken line and sacramental intention.
This theological difference prevents Catholics from recognizing Protestant ministers as priests.

For the Catholic Church, ordination isn't merely a commissioning for ministry but a sacrament called Holy Orders. This sacrament is understood to impart an indelible spiritual mark on the recipient and specific powers, particularly for consecrating the Eucharist (Mass) and absolving sins. The Church holds that for this sacrament to be valid, it must be conferred within an unbroken line of apostolic succession, meaning the ordaining bishop himself must have been validly ordained by a bishop in that same historical chain tracing back to the Apostles.

The Role of Apostolic Succession

The core theological reason for the Catholic Church's stance lies in its understanding of Apostolic Succession. This doctrine states that Christ's authority and mission were passed down from the Apostles to their successors, the bishops, through an unbroken chain of ordinations. For an ordination to be sacramentally valid in the Catholic view, it must be performed by a bishop who himself was validly ordained within this line. Most Protestant denominations, having originated during the Reformation, do not maintain this specific understanding or historical lineage of episcopacy, which the Catholic Church considers essential for valid Holy Orders.

Ordination as a Sacrament

Beyond the lineage, the Catholic Church views Holy Orders as one of the seven sacraments. For any sacrament to be valid, it requires specific "matter" (like the laying on of hands), "form" (the specific words used in the rite), and the "intention" of the minister to do what the Church does. The Catholic Church believes that many Protestant ordination rites, while reverent and sincere, lack the specific form and, crucially, the explicit intention to confer the sacramental priesthood as understood by Catholicism, particularly regarding the power to confect the Eucharist (to change bread and wine into the Body and Blood of Christ) and to absolve sins.

This theological difference has significant practical consequences. It means that Catholic priests cannot concelebrate Mass with Protestant ministers, nor can Catholics validly receive sacraments like the Eucharist or Reconciliation from Protestant clergy, as their ordinations are not recognized as sacramentally valid. This doesn't diminish the respect for Protestant ministers' faith or their genuine dedication to ministry, but it underscores a fundamental divergence in sacramental theology and ecclesiology that impacts inter-church relations and practices regarding the sacraments.

Does this mean the Catholic Church believes Protestant ministers aren't real Christians?

No, the Catholic Church recognizes the baptism of most Protestant denominations as valid and acknowledges Protestants as fellow Christians. The issue is specifically about the validity of their ordinations as sacraments within the Catholic understanding, not about their Christian faith or salvation.

Is this a judgment on the faith or sincerity of Protestant ministers?

Not at all. The Catholic Church respects the sincere faith, dedication, and genuine pastoral care provided by Protestant ministers. The distinction is purely theological, based on differing understandings of sacraments, priesthood, and apostolic succession, not a personal judgment.

Can a Protestant minister ever become a Catholic priest?

Yes, but if they were ordained in a Protestant tradition, their previous ordination is not recognized as valid by the Catholic Church. They would need to undergo Catholic priestly formation and be ordained as a Catholic deacon and then priest according to the Catholic rite. In some specific cases, married former Anglican clergy have been ordained as Catholic priests, but only after full Catholic formation and Catholic ordination.

What about Anglican (Episcopal) ordinations?

In 1896, Pope Leo XIII's encyclical *Apostolicae Curae* declared Anglican ordinations "absolutely null and utterly void" due to changes in their ordination rites during the Reformation, which were deemed to lack the proper form and intention to confer the sacrament of Holy Orders as understood by the Catholic Church. This position remains official Catholic teaching.

Sources

Pope Leo XIII, *Apostolicae Curae* (1896)
Catechism of the Catholic Church, paragraphs 1536-1600 (on Holy Orders)