Is It Haram to Have a Dog? What Judaism, Christianity, and Islam Say

Judaism doesn't categorically forbid keeping a dog as a pet or working animal. Dogs appear throughout the Hebrew Bible in roles ranging from neutral to symbolically negative. In one striking passage, flesh torn by wild beasts in the field is explicitly thrown to dogs, treating them as acceptable recipients of refuse rather than as forbidden animals Exodus 22:31. This suggests dogs were a familiar, if low-status, presence in ancient Israelite life.

The Torah does, however, use the word "dog" in contexts that carry moral weight. Deuteronomy 23:18 prohibits bringing "the price of a dog" into the Temple as a vow offering, placing it alongside the hire of a prostitute as an abomination Deuteronomy 23:18. Scholars like Jacob Milgrom have debated whether "price of a dog" refers to a literal animal sale or is a euphemism for male prostitution — the debate remains open. Either way, the verse doesn't constitute a blanket ban on dog ownership.

Rabbinic literature (Talmud Bavli, Bava Kamma 79b–80a) does restrict keeping "vicious dogs" that could harm people, and some authorities discouraged keeping dogs in cities for safety reasons. But working dogs — for herding, guarding, or hunting — were generally accepted. The Exodus narrative even frames dogs positively: during the Exodus, no dog barked against the Israelites, a sign of divine favor Exodus 11:7.

Christianity has never issued a formal prohibition on owning dogs. The New Testament uses "dogs" almost entirely as a metaphor for those outside the covenant community or for morally degraded persons. In Revelation 22:15, dogs are listed alongside sorcerers, whoremongers, and murderers as those excluded from the heavenly city — clearly a figurative use Revelation 22:15. This imagery draws on older Jewish rhetorical traditions rather than establishing any rule about animals.

Jesus himself uses the dog metaphor in the Sermon on the Mount: "Give not that which is holy unto the dogs, neither cast ye your pearls before swine" Matthew 7:6. Patristic writers like Origen (3rd century CE) and later John Calvin interpreted this as a warning about sharing sacred teaching with those who would despise it — not a statement about literal animals.

Mainstream Christian theology — Catholic, Orthodox, and Protestant — has never classified dog ownership as sinful. Dogs appear throughout Christian history as companions, herding animals, and symbols of fidelity (the Dominicans were famously nicknamed Domini canes, "hounds of the Lord"). There's no purity-law framework in Christianity analogous to Islamic najasa (ritual impurity) that would make a dog's saliva or presence religiously problematic.

This is where the question "is it haram to have a dog" is most directly addressed. Classical Islamic jurisprudence, drawing on hadith literature, generally holds that keeping a dog inside the home without a legitimate purpose is either haram (forbidden) or strongly discouraged (makruh tahrim). The primary textual basis is a hadith in Sahih Muslim and Sahih al-Bukhari in which the Prophet Muhammad (PBUH) reportedly said that the angels of mercy do not enter a house that contains a dog or images. Scholars like Imam al-Nawawi (d. 1277 CE) and Ibn Qudama (d. 1223 CE) codified this into the dominant Hanbali and Shafi'i positions.

However, there are well-established exceptions. Dogs kept for hunting, herding livestock, or guarding farms and property are explicitly permitted across all four major Sunni schools (Hanafi, Maliki, Shafi'i, Hanbali). The Maliki school is notably more lenient, and some contemporary scholars — including Yusuf al-Qaradawi in the 20th century — have argued that keeping a dog as a guard dog in an urban home may fall within the permitted exceptions. The disagreement is real and ongoing.

A separate but related issue is ritual purity (tahara). The Shafi'i and Hanbali schools consider a dog's saliva najis mughallaza (severely impure), requiring a sevenfold washing with one wash using soil if contact occurs. The Maliki school considers dogs ritually pure. This purity question is distinct from the ownership question but shapes how many Muslims approach dogs practically. The Quran itself doesn't explicitly prohibit dog ownership — Surah Al-Kahf (18:18) even mentions the Companions of the Cave keeping a dog — making this primarily a hadith-based ruling.