What is Joy full name?

It seems you're asking about the full name of someone named Joy. However, there is no one definitive "full name" for someone named Joy. It's a common given name, and people named Joy can have various last names and middle names.

To find out the full name of a specific "Joy," you'd need more information like:

* Who is this Joy? Do you know anything else about them, like their last name, where they live, or what they do?

* Is there a context? Were you reading something that mentioned Joy and you want to know their full name?

Please provide more details so I can help you find the full name you're looking for!