How should I treat my non-Muslim parents?

The ruling is clear, and it is a duty

Honouring parents is a fard — an obligation — and the scholars state plainly that it is not tied to the parents' religion. IslamWeb (fatwa 124401) puts it as "a personal obligation, not restricted to their being Muslim"; even if they are disbelievers, you must honour and treat them well, so long as they do not order you to commit shirk or a sin. Shaykh Ibn Baz رحمه الله lists it among "the most important obligations and duties" and cites the verse that joins it to tawhid itself:

"Worship Allah and associate nothing with Him, and to parents do good."— Qur'an 4:36

The verse that settles your exact situation is in Surah Luqman. Allah tells the believer whose parents pressure him toward disbelief:

"But if they strive to make you associate with Me that of which you have no knowledge, then do not obey them, but accompany them in this world with kindness."— Qur'an 31:15

Notice the order: the obedience is refused, and the kindness is not. The command to keep their company well stands even while they are actively pushing you toward shirk. If that is the ruling when they fight your faith, then a parent who simply does not share it is covered by it all the more.

What this looks like day to day

The scholars draw out what "kindness" means in practice, and it is more concrete than a feeling.

• Your speech first. Ibn Baz رحمه الله explains the Qur'anic command "do not say to them 'uff'" as meaning you cause them no harm at all, and "do not repel them" as meaning you do not raise your voice at them. The word you use with them is karim — gentle, generous, respectful.
• Serve them where they need it. Ibn Baz includes spending on them if they are in need, defending them against anything that harms them, and lowering your wing to them in humility.
• Do not obey in religion — and do not turn that into coldness. IslamWeb (fatwa 124401) notes that if a parent practises their own religion privately without calling you to it, you are not required to stop them by force. Advise gently, call them to Allah, and let your good treatment be the argument.
• Keep giving even when it is not returned. The Prophet ﷺ was asked about a mother who came to her daughter while still a polytheist, and he told her to maintain the tie. IslamWeb (fatwa 75043) draws the lesson: her mother's rejection should not stop her from honouring and visiting her. The same fatwa notes that if she refuses your visit or your gift, there is no blame on you — "so fear Allah as much as you are able" (Qur'an 64:16).
• The mother's right is the greater one. Ibn Baz رحمه الله cites the hadith in which the Prophet ﷺ was asked who most deserves good treatment and named the mother three times before the father. That ranking does not change because she is not Muslim.

Where the line is

The one thing that is not permitted is obeying them in sin. If they ask you to abandon a prayer, to eat what is unlawful, to stop practising, or to compromise your tawhid, you decline — politely, without a fight, without contempt. Refusing the act is not the same as refusing the person. The scholars describe this as mudarah: managing the relationship with gentleness so that the tie survives the disagreement.

If they are angry about your Islam

This is where the counsel documents are most useful, because they deal with parents who are harsh, dismissive or hostile.

• Do not enter arguments that end in anger. The Prophet ﷺ guaranteed a house in the surroundings of Paradise to the one who abandons disputation even when he is in the right (Abu Dawud 4800, graded hasan). Being correct is not worth the relationship.
• Leave what they dislike, even if it is permitted. IslamWeb's counsel is to give up things that are merely mubah to keep their peace, seeking Allah's pleasure in it.
• Ask someone they respect to speak to them. A trusted elder, an imam, a friend of theirs — someone who can raise the subject without it sounding like a complaint from you.
• Make du'a for them constantly. Ask for their guidance, their wellbeing, their long life. The counsel notes how bitter a person is who loses a parent and realises how much of that time was spent in conflict.
• Protect your own stability. If the pressure is affecting your health, reducing contact to what keeps you well is not severing the tie, provided you keep it alive through calls, gifts, kind words and du'a. Cutting them off entirely is not permitted.

Key takeaways

• Honouring your parents is obligatory regardless of their religion — their disbelief does not remove your duty.
• You do not obey them in anything that disobeys Allah, but you refuse the act, never the person.
• Kindness is the method: gentle speech, no raised voice, service where they need it, and patience with their harshness.
• Keep the tie alive even if they reject it — a call, a gift, a visit, a du'a; if they refuse, the blame is not yours.
• Your mother's right is the greater of the two, and that does not change because she is not Muslim.

And Allah knows best.