Who was the President of the United States in 1793?

Thomas Jefferson was the President of the United States in 1803.

Thomas Jefferson (born April 13, 1743 in Shadswell, Virginia; died July 4, 1826 in Charlottesville, Virginia) succeeded John Adams as the third President of the United States, serving between March 4, 1801 and March 4, 1809, including the whole of the year 1803.