Catholic Answers: Which Bible Do Catholics Use?

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TL;DR: The question "which Bible" is fundamentally a Christian — and specifically Catholic — question about canon. Catholics use a 73-book Bible that includes the deuterocanonical books (like Tobit, Maccabees, and Sirach) rejected by most Protestants. Judaism's Hebrew canon aligns more closely with the Protestant 66-book Old Testament, while Islam doesn't use the Bible as scripture but acknowledges earlier revelations. The Catholic Church officially defined its canon at the Council of Trent (1546), relying heavily on the Greek Septuagint tradition.

Judaism

Do ye not therefore err, because ye know not the scriptures, neither the power of God?
— Mark 12:24 (KJV) Mark 12:24

The question of "which Bible" in a Catholic context is primarily a Christian concern, but Judaism is directly relevant because the dispute over the Old Testament canon originates in differences between Jewish textual traditions. The Hebrew Bible — called the Tanakh — contains 24 books (equivalent to the Protestant 39 when subdivided), drawn from the Masoretic Text tradition. The deuterocanonical books that Catholics include were largely written in or preserved through Greek, and the Jewish community at Jamnia (circa 90 CE, per scholar Heinrich Graetz's 19th-century analysis, though later scholars like Jack Lewis have questioned a formal "council") did not accept them as authoritative scripture.

The Septuagint (LXX), the Greek translation of Hebrew scriptures used widely in the Second Temple period, did include many of these extra books — and it's this tradition that the Catholic Church drew upon. So while Judaism doesn't answer "which Catholic Bible," it's the source of the canonical divergence. Jesus himself referenced scripture in ways consistent with the broader Septuagint tradition Mark 12:24, and the question of knowing "the scriptures" was clearly alive in his context Mark 12:24.

Christianity

But Jesus held his peace. And the high priest answered and said unto him, I adjure thee by the living God, that thou tell us whether thou be the Christ, the Son of God.
— Matthew 26:63 (KJV) Matthew 26:63

This is the core in-scope religion for this question. The Catholic Church uses a 73-book Bible: the 27-book New Testament (shared with all Christians) plus a 46-book Old Testament that includes the deuterocanonical books — Tobit, Judith, 1 and 2 Maccabees, Wisdom, Sirach (Ecclesiasticus), and Baruch, along with additions to Daniel and Esther. Most Protestant traditions use a 66-book Bible, omitting those seven deuterocanonical books (which Protestants often call the "Apocrypha").

The Catholic canon was formally defined at the Council of Trent in 1546, partly in response to the Protestant Reformation. The standard Catholic Bible translation in English is the New American Bible Revised Edition (NABRE), approved for liturgical use in the United States, though the Revised Standard Version — Catholic Edition (RSV-CE) and the Jerusalem Bible are also widely used and respected by Catholic scholars like Raymond Brown.

The authority of scripture itself is affirmed throughout the Gospels. When the high priest pressed Jesus at his trial, Jesus' identity as the Christ — the subject of all scripture — was the central issue Matthew 26:63. Jesus also called his followers to genuine faith rooted in God Mark 11:22, and rebuked those who didn't know the scriptures Mark 12:24. For Catholics, the Church's Magisterium (teaching authority) and Sacred Tradition together with scripture form a unified whole — meaning the Church, not the individual reader, authoritatively interprets the canon.

It's worth noting there's internal Catholic disagreement about preferred translations. Some traditionalists favor the Douay-Rheims Bible (1582–1610), translated from the Latin Vulgate of St. Jerome, while modern Catholics generally use NABRE or RSV-CE. The United States Conference of Catholic Bishops (USCCB) officially sanctions the NABRE for Mass readings.

Islam

That is Jesus, the son of Mary - the word of truth about which they are in dispute.
— Qur'an 19:34 Quran 19:34

Not applicable. The question of which Bible Catholics use concerns Christian canonical scripture; Islam does not use the Bible as a primary religious text. However, Islam does acknowledge that earlier scriptures — the Torah (Tawrat) and the Gospel (Injil) — were genuine divine revelations, while holding that the texts as currently preserved have been altered over time (tahrif). The Qur'an itself notes ongoing dispute about earlier scriptures Quran 41:45, and describes Jesus, the central figure of the New Testament, as "the word of truth" Quran 19:34. The Qur'an also swears by "the Scripture that maketh plain" Quran 44:2, affirming the principle of divine written revelation — though Muslims hold the Qur'an as the final, uncorrupted form of that revelation, superseding prior texts.

Where they agree

All three traditions agree that scripture matters profoundly and that knowing sacred texts is essential to religious life Mark 12:24. Both Judaism and Christianity share a common root in the Hebrew scriptures, and Islam affirms that God has communicated through written revelation across history Quran 44:2 Quran 41:45. All three traditions also acknowledge that disputes over the meaning and boundaries of scripture are real and longstanding Quran 41:45.

Where they disagree

IssueJudaismCatholicismProtestantismIslam
Canon size (Old Testament)24 books (Tanakh / Masoretic)46 books (includes deuterocanonicals)39 books (excludes deuterocanonicals)Does not use the Bible as scripture
Textual basisMasoretic Hebrew TextSeptuagint (Greek) + Vulgate traditionMasoretic Text primarilyQur'an as final revelation
Who defines the canon?Rabbinic consensusChurch Magisterium (Council of Trent, 1546)Individual / denominational discernmentNot applicable
Status of deuterocanonical booksNot canonicalFully canonical scriptureApocrypha — edifying but not canonicalNot applicable

Key takeaways

  • The Catholic Bible contains 73 books — 7 more than the Protestant 66-book Bible — due to the inclusion of deuterocanonical books from the Greek Septuagint tradition.
  • The Council of Trent (1546) formally defined the Catholic canon in response to the Protestant Reformation's return to the Hebrew Masoretic canon.
  • The NABRE is the officially approved Catholic Bible for liturgical use in the United States, though RSV-CE and Douay-Rheims are also used.
  • Judaism's Tanakh aligns more closely with the Protestant Old Testament canon, as both reject the deuterocanonical books accepted by Catholics.
  • Islam acknowledges earlier divine scriptures in principle but does not use the Bible as authoritative text, holding the Qur'an as the final and uncorrupted revelation.

FAQs

Why does the Catholic Bible have more books than the Protestant Bible?
Catholics include seven deuterocanonical books drawn from the Greek Septuagint tradition, which the early Church used widely. The Council of Trent formally defined this 73-book canon in 1546 Matthew 26:63. Protestant Reformers like Martin Luther returned to the Hebrew Masoretic canon, excluding those books. Jesus himself referenced the importance of knowing "the scriptures" Mark 12:24, and the dispute over which scriptures count has ancient roots tied to the Jewish Septuagint vs. Masoretic traditions Quran 41:45.
Which English Bible translation do Catholics officially use?
In the United States, the USCCB approves the New American Bible Revised Edition (NABRE) for liturgical use. The RSV-CE and Jerusalem Bible are also widely used by Catholic scholars and for personal study. Traditionalists often prefer the Douay-Rheims, translated from St. Jerome's Latin Vulgate. The key point is that all approved Catholic Bibles include the deuterocanonical books Matthew 26:63 Mark 12:24.
Does Islam recognize the Catholic Bible?
Islam doesn't use the Bible as authoritative scripture, but it does affirm that God gave earlier scriptures to Moses and Jesus Quran 41:45. The Qur'an describes Jesus as "the word of truth" Quran 19:34 and swears by "the Scripture that maketh plain" Quran 44:2, acknowledging divine written revelation in principle — while holding that earlier texts were altered and the Qur'an is the final, preserved word of God.
What is the Septuagint and why does it matter for Catholics?
The Septuagint (LXX) is the ancient Greek translation of the Hebrew scriptures, produced roughly in the 3rd–1st centuries BCE. It included the deuterocanonical books and was the Bible most widely used by early Christians and quoted in the New Testament. The Catholic Church's Old Testament canon follows this tradition rather than the narrower Hebrew Masoretic canon. Disputes about scripture's boundaries are ancient — as the Qur'an itself notes about the Torah Quran 41:45 — and the Septuagint vs. Masoretic divide is central to understanding why Catholic and Protestant Bibles differ.

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