No, rabbits cannot eat peanuts or peanut butter at all for that matter because this food is high in fat and does not have the nutrients required by a rabbit to live a happy and healthy life. Additionally these foods pose some potential healthy problems that should be avoided by not feeding this food to your rabbit.
More Detailed Answer
As an owner of a rabbit you may wonder from time to time what types of foods are safe to be feeding to your rabbit. One of the questions you may ask yourself is can rabbits eat peanuts or peanut butter at all?
The answer to this question is No you definitely should not be feeding either of these foods to your rabbit. The reason is that these foods can cause health problems for your bunny. These foods are high in fat and also do not have any nutritional value for your bunny.
If you rabbit was to by accident eat a little bit of peanuts or peanut butter they should be fine but you should monitor their behavior. If you notice anything off you should take your rabbit to the vet right away to make sure they are okay.
If you want to give your rabbits treats or something to bond over the better option would be some healthy veggies or fruits that are good for your rabbit. Even some fruits that have some sugar but given in smaller quantities is better as a treat than peanuts.
The best option for a rabbit is to eat fresh timothy hay, pellets and plenty of fresh clean water.