He's generally regarded to be real. Historians are in disagreement on it though
if this is a question on a test or something I would go with "yes" :)
Answer:
No one really knows
Explanation:
The historicity of Robin Hood is not proven and has been debated for centuries. There are numerous references to historical figures with similar names that have been proposed as possible evidence of his existence, some dating back to the late 13th century.