Machiavellianism may refer to:
Machiavellianism (politics), the political philosophy of Niccolò Machiavelli, usually associated with various forms of political realism. Machiavellianism (psychology), a scale in personality psychology that measures one's cold affect and manipulative orientation. Machiavellianism in the workplace Studies in Machiavellianism, 1970 psychology book by Richard Christie and Florence Geis
See also The Machiavellian Moment, book by John G. A. Pocock- an analysis of Machiavelli's influence after his death. Machiavellian intelligence hypothesis, concept in primatology that deals with a primate's ability to be in a successful social engagement with other groups Machiavellian (horse), 1987–2004, an American racehorse