There are multiple ways you can log out of Instagram.
To log out of Instagram:

Instagram app for Android
Tap

or your profile picture in the bottom right to go to your profile.
Tap

in the top right, then tap
Settings.
- Scroll to the bottom of the page and tap Log out [username].
- Tap Log out.

Instagram app for iPhone
Tap

or your profile picture in the bottom right to go to your profile.
Tap

in the top right, then tap
Settings.
- Scroll to the bottom of the page and tap Log out.
- Tap Log out.

Instagram.com from a mobile browser
Tap your profile picture in the bottom right to go to your profile.
Tap

at the top.
- Scroll to the bottom of the page and tap Log out.
- Tap Log out.

Instagram.com from a computer
- Click your profile picture in the top right.
- Click Log out.

Instagram Lite app for Android
Tap

or your profile picture in the bottom right to go to your profile.
Tap

in the top right, then tap
Settings.
- Scroll to the bottom, then tap Log out.
- Tap the box next to Remember my login info if you want Instagram to remember your login info.
- Tap Log out.
If you're having trouble logging in, try
these tips.