Hi, as of right now, no. But it is on our list of things to do, and last I heard I think it is close to being done. but I do not have a solid ETA on that right now.
When you block a person, they can no longer invite you to a private message or post to your profile wall. Replies and comments they make will be collapsed/hidden by default. Finally, you'll never receive email notifications about content they create or likes they designate for your content.
Note: if you proceed, you will no longer be following .