Blocking someone on Snapchat does more than just silence them—it performs a complete "digital excommunication." When you block a user, Snapchat automatically removes them from your Friends list, and you are simultaneously removed from theirs.
If your goal is simply to stop seeing someone’s content without them knowing, use or Mute . But if you want a complete, irreversible break—blocking is the nuclear option that definitely unfriends them. Have more Snapchat privacy questions? Check your app’s Support section for the latest updates, as features can change. when you block someone on snapchat does it unfriend them
Short answer: Yes, absolutely.