Block users from commenting on your YouTube channel
When you block a user from commenting on your YouTube channel, they can't comment on your videos or channel. They also can't contact you through private messages.
To block someone:
- Sign in to your YouTube account.
- Go to the channel page of the user you want to block. It should have a URL like www.youtube.com/user/NAME or www.youtube.com/channel/NAME.
- Click the About tab, then click the flag icon .
- Click Block user.
If you feel you’re being bullied or harassed by someone, please see more information on how to protect yourself from Bullying and Harassment.
Users you block on other Google products will also be unable to comment on your videos and send you messages.