President for One Day (disambiguation)

President for One Day may refer to:
 * David Rice Atchison, a 19th-century U.S. Senator best known for the claim that he served as Acting President of the United States on March 4, 1849
 * Clímaco Calderón, who served as President of Colombia on December 21, 1882
 * Pedro Lascuráin, who served as President of Mexico for less than one hour on February 19, 1913