Who the most famous President is is dependent on a number of factors.
However, one might say that the first and the current are generally well know. That, at the time of this post, being Washington and Obama.
Other "notables" who names continue to be well known over time include Jefferson, Lincoln, Theodore Roosevelt, J.F. Kennedy and Franklin Roosevelt.
John Fitzgerald Kennedy, US President
The most famous Philippine president is Ferdinand Marcos.
President of which country or nation? or do you mean the most famous president out of every country in the world?
This could be argued as many of the presidents, but the most famous are probably George Washington, then Abraham Lincoln, arguably.
he was the 17th president of the US
being the 33rd president of the US
Joaquin Balaguer and Leonel Fernandez (current president) are probably the most famous politicians in DR.
yes of course he was famous he was a founding father and a president of the US
The president of INDIA.
US Grant
being the 33rd president of the US
Andrew Johnson. First US President to be impeached.