What is the fear of darkness called?

The answer is Achluophobia.

• Acrophobia is the fear of heights.
• Aerophobia is the fear of flying.
• None of these are the fear of darkness.

Achluophobia is the fear of darkness. It is a type of specific phobia, which is an irrational fear of a specific object or situation. People with achluophobia may experience anxiety, panic, or even a full-blown phobia when they are in the dark. They may avoid dark places altogether, or they may only be able to tolerate them in certain situations.