For many, it was a historic and poignant moment - topped off when the president posted a note into the wall, as many worshippers do with prayers and supplications.
Others, however, were more interested in just what the note said - and the internet quickly flooded with speculation as to its exact content.
And while they are certainly not a true reflection of what was written on the note, they certainly raise a few smiles...
Donald Trump has become the first sitting US president to visit the Western Wall, placing his hand on Judaism's holiest prayer site.