Nicholas Alexander

Nicholas Alexander may refer to:


 * Nicholas Alexander, 7th Earl of Caledon (born 1955), son of Denis Alexander, 6th Earl of Caledon
 * Nicholas Alexander of Wallachia (died 1364), Prince of Wallachia 1352–1364
 * Nicholas Alexander (ski jumper) (born 1988), American competitive ski jumper
 * Nicholas Alexander, a character from The West Wing seasons 5 and 6