If you do that, they will get a notification—not for the unblock, but for the message or follow request .
If you are worried about them knowing, unblock them late at night or during a holiday weekend. The chances of them searching for you at that exact moment are very low. Have you ever unblocked someone and regretted it? Or are you glad the notification doesn't exist? Let us know in the comments below! will someone be notified if i unblock them on instagram
Here is the short answer, followed by everything you need to know. Instagram will NOT send a notification to someone when you unblock them. If you do that, they will get a