Yes, hamsters can eat asparagus.

Asparagus is safe for hamsters to consume and can be a healthy addition to their diet. Asparagus is low in calories and rich in vitamins, minerals, and dietary fiber.
When offering asparagus to your hamster, make sure it is fresh and thoroughly washed to remove any dirt or potential pesticides. You can serve small pieces of cooked or raw asparagus to your hamster. However, it’s important to note that some hamsters may prefer cooked asparagus over raw, as it can be easier for them to chew and digest.
As with any new food, it’s advisable to introduce asparagus gradually and in small quantities to ensure your hamster tolerates it well. Monitor their reaction and digestive health. If you notice any signs of digestive upset, such as diarrhea or bloating, discontinue feeding asparagus and consult with a veterinarian if necessary.
Remember that while asparagus can be a healthy treat for hamsters, it should not make up the majority of their diet. Hamsters require a balanced diet that consists primarily of a high-quality hamster pellet or seed mix, along with occasional fresh vegetables and fruits. Consult with a veterinarian or do further research to ensure you are providing a suitable diet for your hamster’s specific needs.
Further Reading :
https://www.thedodo.com/dodowell/hamster-food