William McKinley Jr. (January 29, 1843 <unk> September 14, 1901) ko te 25th peresideni o te United States i 1897 ki 1901, me te hōia whakamutunga o te American Civil War ki te kia whiriwhiria ki te peresideni. Ko ia te perehitini o Amerika whakamutunga i mahi i te rautau 19th a ko ia te perehitini tuatahi i mahi i te rautau 20. I noho ia i te nuinga o tona oranga pakeke ki te tōrangapū, a, e ono nga wa o te kaunihera, a, ko ia hoki te kawana o Ohio i mua i te wikitoria i a William Jennings Bryan mo te Perehitini (1897<unk>1901). I patua a McKinley
i te tīmatanga o tana wā tuarua i a ia e haere ana ki te Pan-American Exposition i Buffalo i te tau 1901.