There is no formal name for fear of dark bathrooms. It can be just said as the fear of dark.
Lutropublicaphobia
nyctophobia
Aquaumbraphobia.
I think Noctophobia is the fear of night, so it might be the same for dark :P
Fear of the dark and the night are actually two different things. Fear of the dark is Lygophobia. Fear of the night is Nyctophobia.
The fear of being in the dark is Lygophobia. The fear of dark or night is Nyctophobia.
Achluophobia- Fear of darkness. There is also nyctophobia, the fear of night.
Nyctophobia is a phobia characterized by a frenzied fear of the darkness. It is triggered by the mind's disfigured perception of what would or could happen when in a dark environment.Fear of the dark is nyctophobia.
Agoraphobia- Fear of open, dark spaces
Fear- s - of the Dark was created in 2007.
Fear of the Dark - Doctor Who - was created in 2003.
The duration of Fear- s - of the Dark is 1.42 hours.