This depends on the company or organization:
US: Barack
Iran: Mahmoud
GE: Ferdinando
North Korea: Kim (given name - Il Sung)
Of the USA, George Washington.
President Sarkozy's first name is Nicolas.
President Garfield's first name is James.
President Lincoln's first name was Abraham.
President Lincoln was the 16th President of the United States of America, and his first name was Abraham.
The first name of President Bush is George.
His first name was Franklin.
John Adams was the first vice-president and hence the first president of the Senate.
Enrico de Nicola was the first president of Italy.
President Herbert Hoover His full name is, Herbert Clark Hoover
The last name of the United States president whose first name was Millard is Fillmore. Millard Fillmore was the thirteenth president of the United States.
President Nixon's middle name was "Milhous", his mother's maiden name.