No, hamsters should not eat cashews.

Can hamster eat Cashews

While cashews are not toxic to hamsters, they are high in fat and can be difficult for hamsters to digest properly. The high fat content in cashews can lead to obesity and other health issues in hamsters.

It’s important to provide a balanced and appropriate diet for your hamster, which primarily consists of a high-quality hamster pellet or mix. This ensures they receive the necessary nutrients without excessive fat or other potentially harmful substances.

If you’re looking for treats to offer your hamster, there are safer options available. Hamster-friendly treats such as small pieces of fresh fruits, vegetables, or commercial hamster treats specifically formulated for their dietary needs are more suitable.

Remember to provide treats in moderation and maintain a balanced diet for your hamster to promote their overall health and well-being.

Also explore the compatibility of these foods for your hamster:
Pasta, Turkey, Beef,

If you have further questions about your hamster’s diet or specific dietary concerns, it’s best to consult with a veterinarian who specializes in small animals. They can provide you with tailored advice based on your hamster’s individual needs.

Further Reading : 

https://vethelpdirect.com/vetblog/2023/05/20/what-is-the-best-food-for-hamsters/

https://www.ukpetfood.org/information-centre/pet-nutrition-hub/small-mammal-nutrition/hamster-nutrition.html