I am 11 days post op and my incision is very itchy, is this normal?

As the nerves recover after an operation sensibility in the skin can be perceived is itching, burning, Or tickling. This will improve with time.

Hi there. I'm sorry to hear your itching is causing
you discomfort after surgery. The good news is that this is a very normal part
of the healing process. However, it's important to rule out any bacterial or
fungal infections. Be sure to mention your itching at your next follow-up
appointment. Your surgeon may prescribe a medicated topical treatment or
recommend an over-the-counter product that alleviates itching.

Itching can be very normal after surgery as part of the healing process.  It is important, however, to make sure that you don't have a rash or candida infection or something else. going on.  If you have a history of keloid scars, you can also have itching with development of a keloid.  Best to have your surgeon check it out at your next visit.