Open the Spotify app or website
Go to your profile or account menu
Select Log out
Confirm if prompted
On mobile app
Tap Settings
Scroll down
Tap Log out
On desktop app
Click your profile name
Click Log out
On web player
Click your profile icon
Click Log out
To log out of all devices
Go to your Spotify account page in a browser
Open Account overview
Select Sign out everywhere
Confirm the action