サムネイル|フィリップ・ペティット フィリップ・ペティット（Philip Noel Pettit、1945年 - ）は、アイルランド出身の政治哲学者。専門は政治理論、とくに共和主義思想。
ゴールウェイ県バリーガー生まれ。アイルランド国立大学メイヌース校卒業後、クイーンズ大学で博士号取得。ブラッドフォード大学教授、オーストラリア国立大学教授を経て、2002年からプリンストン大学教授。
1988年オーストラリアに帰化し、2005年アメリカ合衆国の永住権取得。
著書 単著 The Concept of Structuralism: A Critical Analysis, (University of California Press, 1975). Judging Justice: An Introduction to Contemporary Political Philosophy, (Routledge and Kegan Paul, 1980). The Common Mind: An Essay on Psychology, Society, and Politics, (Oxford University Press, 1993). Republicanism: A Theory of Freedom and Government, (Clarendon Press, 1997). A Theory of Freedom: from the Psychology to the Politics of Agency, (Oxford University Press, 2001). Rules, Reasons, and Norms: Selected Essays, (Clarendon Press, 2002). Made with Words: Hobbes on Language, Mind, and Politics, (Princeton University Press, 2008). 共著 Semantics and Social Science, with Graham Macdonald, (Routledge and Kegan Paul, 1981). Not Just Deserts: A Republican Theory of Criminal Justice, with John Braithwaite, (Clarendon Press, 1990). Rawls: A Theory of Justice and its Critics, with Chandran Kukathas, (Polity Press, 1990). 山田八千子・嶋津格訳『ロールズ――「正義論」とその批判者たち』（勁草書房, 1996年） Three Methods of Ethics: A Debate, with Marcia Baron and Michael Slote, (Blackwell, 1997). Mind, Morality, and Explanation: Selected Collaborations, with Frank Jackson and Michael Smith, (Clarendon Press, 2004). The Economy of Esteem: An Essay on Civil and Political Society, with Geoffrey Brennan, (Oxford University Press, 2004). 編著 Contemporary Political Theory, (Macmillan, 1991). Consequentialism, (Dartmouth, 1993). 共編著 Action and Interpretation: Studies in the Philosophy of the Social Sciences, co-edited with Christopher Hookway, (Cambridge University Press, 1977). Subject, Thought, and Context, co-edited with John McDowell, (Clarendon Press, 1986). Metaphysics and Morality: Essays in Honour of J.J.C. Smart, co-edited with Richard Sylvan and Jean Norman, (Blackwell, 1987). The Good Polity: Normative Analysis of the State, co-edited with Alan Hamlin, (Blackwell, 1989). A Companion to Contemporary Political Philosophy, co-edited with Robert E. Goodin, (Blackwell, 1993, 2nd ed., 2007). Contemporary Political Philosophy: An Anthology, co-edited with Robert E. Goodin, (Blackwell, 1997, 2nd ed., 2006).