You are here: Home Shawn Mendes’ Snapchat username Shawn Mendes’ Snapchat username Fancy seeing behind the scenes clips and silliness from Shawn Mendes? You can add him on Snapchat with his official account username. Click here for Shawn Mendes’s Snapchat username. Happy snappin’ Looking for more pop stars’ snapchats? We’ve got your back.