Can pets eat walnuts? 🌰
Here’s whether walnuts is safe for each kind of pet, based on established veterinary guidance.
Can dogs eat walnuts?
UnsafeWalnuts are best avoided for dogs.
Risk: Can carry moulds that produce toxins, and are a choking and blockage hazard; high in fat.
Full guidance: can dogs eat walnuts? →Can cats eat walnuts?
CautionWalnuts are not recommended for cats.
Risk: High in fat, a choking hazard and may carry harmful moulds.
Full guidance: can cats eat walnuts? →Can rabbits eat walnuts?
UnsafeNever feed walnuts to rabbits.
Risk: Too high in fat for a herbivore and can cause digestive upset.
Full guidance: can rabbits eat walnuts? →Can guinea pigs eat walnuts?
UnsafeWalnuts are not suitable for guinea pigs.
Risk: Far too high in fat for a herbivore’s gut.
Full guidance: can guinea pigs eat walnuts? →Can hamsters eat walnuts?
CautionOnly a tiny piece of plain walnut occasionally, if at all.
Risk: Very high in fat, which can lead to obesity.
Full guidance: can hamsters eat walnuts? →Worried your pet has eaten too much?
Contact your vet straight away, or call the Animal PoisonLine on 01202 509000 (24/7, UK). This page is general guidance based on veterinary sources and isn’t a substitute for professional advice — amount, preparation and your pet’s health all matter.
Related foods
Sources
Our guidance on whether pets can eat walnuts draws on established UK and US veterinary and welfare organisations. Individual pets, quantities and preparation vary — always confirm with your own vet.