The official name for a fear of clowns is Coulrophobia.
Nomophobia (short for "no mobile phone phobia") is the constant fear of not having mobile phone service. Researchers report that more than half of the people of the United Kingdom have this malady. source
The Austrian/American logician and mathematician Kurt Gödel died on January 14, 1978 from being a picky eater. He had a compulsive fear of being poisoned and would only eat the food prepared by his wife Adele. Adele was hospitalized for six months and could no longer prepare food. During this time his weight dropped to... Continue Reading →
Pogonophobia is a fear of beards.
Sesquipedalophobia is the fear of long words.
Thomas Edison, lightbulb inventor, was afraid of the dark. https://twitter.com/commonplacefact
Anatidaephobia is the fear that somewhere, somehow, a duck is watching you. source
Allodoxaphobia is the fear of opinions.
Among Franklin D. Roosevelt's phobias was fear of fire, resulting in orders that doors to his room never be locked. He was also horribly afraid of Friday the 13th and managed to avoid Friday the 13th of April, 1945 by dying the day before. A little extreme, when you think about it... source