What is the full name of American?

The phrase full name of American can refer to several different things depending on context, so it is important to clarify which one you mean. If you mean the full official name of the country that Americans come from, it is the United States of America. That is the legal name used in the Constitution and in international treaties. Sometimes it is also formally written as United States of America with the abbreviation USA. If you mean the airline American, its full corporate name is American Airlines, Inc., and its parent company is American Airlines Group Inc., headquartered in Fort Worth, Texas. If you mean the demonym American as in what is the full name for an American person, there is no longer full name, American is already the full demonym, though formally you could say a citizen of the United States of America. In some historical documents you will see United States citizen or American citizen used interchangeably. There is also American as a personal name, which is not common but can be a first name or surname, in which case the full name would depend on the individual person you are asking about.