The unique name of person, places, animals, and thing is called

Option A is the correct option. The unique name of the person, place, animal, and thing is known as a Proper noun. The noun is the name of a place, animal, or thing. Every particular person, place, animal, and thing is assigned a specific name which is called a Proper noun. For example Nina, Taj Mahal, Leo the dog, etc. Proper nouns always start with capital letters, no matter where they fall in a sentence.