William Arbuthnot

William Arbuthnot or William Arbuthnott may refer to:


 * William Arbuthnot (artillery officer) (died 1876), general in the Royal Artillery
 * Sir William Arbuthnot, 3rd Baronet (1831–1889), major in the 18th Hussars
 * William Arbuthnot (cavalry officer) (1838–1893), major-general in the 14th Hussars