Are there any sinus cavities in the back of your head?

Sinuses: All in the front, around your eyes, nose, above your teeth. You have a communication back through the ears, to the bone behind the ear, the mastoid processes. No sinuses from the respiratory tract in the back of your head.

Sinuses: Ethmoid sinus is behind your nose and eye area. Frontal sinus above eye (forehead area) maxillary sinus (cheek bone area). . There are other terms like cavernous sinus, sigmoid sinus (this one is on the back of head)hope this help. Talk to your doctor. Let us help with clinical symptoms , diagnosis, and terminology.