Instagram Help Center

If you've set up a single login for multiple Instagram accounts, you can remove any of these accounts at any time.

To remove an account you've linked to a single login from Instagram app for Android and iPhone:

1. Tap or your profile picture in the bottom right to go to your profile.
2. Tap in the top right, then tap Settings.
3. Tap Login Info.
4. Tap next to the account you want to remove.
5. Tap Remove.