Open the Instagram app or website
Go to your profile
Open Settings and privacy
Tap Accounts Center
Tap Personal details
Tap Account ownership and control
Tap Deactivation or deletion
Select the Instagram account you want to delete
Choose Delete account
Follow the on-screen prompts
Enter your password if asked
Confirm the deletion
Use the Instagram account deletion page in a browser if needed
Log in to the account
Select a reason for deletion
Re-enter your password
Confirm permanent deletion