Yes, you can delete a Call of Duty account. To do so, open the game and go to the main menu. Select “Settings” and then “Account Management.” On the right side of the screen, under “Account Type,” select “Activision Account.” Next, select “Delete Account.” ..

Sign in to your Call of Duty account on the Call of Duty website. Click on the ‘My Account’ tab at the top of the page. Click ‘Deactivate Account’.

How to Delete Call of Duty Account