FDR ( Franklin Delano Roosevelt0 was the first and most recognized by his initials but one does seem references to JFK ( John F. Kennedy), LBJ (Lyndon B. Johnson) and less often HST ( Harry S. Truman)
There is no President that has the initials B.M.W
One notable person with the initials X.G. is Xi Jinping, the General Secretary of the Communist Party of China and the President of China. Another is Xuan Gong, a lesser-known figure in Chinese history. However, there are not many widely recognized figures with these initials.
Rutherford Birchard Hayes has those initials.
Andrew Jackson
None. The only president close to those initials is JFK- John Fitzgerald Kennedy
Theodore Roosevelt
JQA
IOG
B.m.w
The 32nd president is Franklin D Roosevelt, and his initials are FDR. By yhtac
The initials of Ronald Reagan, who is considered the 40th U. S. President, are R.W.R.
Gerald R. Ford