クインシー・ライト（Philip Quincy Wright、1890年12月28日 - 1970年10月17日）は、アメリカ合衆国の法学者。専門は、国際法。
マサチューセッツ州生まれ。1915年、イリノイ大学で博士号取得。1923年からシカゴ大学で教鞭をとる。
著書 単著 The Control of American Foreign Relations, (Macmillan, 1922). Mandates under the League of Nations, (University of Chicago Press, 1930). Research in International Law since the War, (Carnegie Endowment for International Peace, 1930). Where the League of Nations Stands Today, (University of Minnesota Press, 1934). The United States and Neutrality, (University of Chicago Press, 1935). The Causes of War and the Conditions of Peace, (Longmans, Green, 1935). A Study of War, 2 vols., (University of Chicago Press, 1942, 2nd ed., 1983).『戦争の研究』 The World Community, (University of Chicago Press, 1948). Problems of Stability and Progress in International Relations, (University of California Press, 1954). Contemporary International Law: A Balance Sheet, (Doubleday and Co., 1955, revised ed., 1961). The Study of International Relations, (Appleton-Century-Crofts, 1955). International Law and the United Nations, (Asia Publishing House, 1960). The Role of International Law in the Elimination of War, (Manchester University Press, 1961). On Predicting International Relations, the Year 2000, (University of Denver, 1969).
共著 Research for Peace: Essays, with W. F. Cottrell and Ch. Boasson, (North-Holland, 1954). Essays on Espionage and International Law, with Julius Stone, Richard A. Falk and Roland J. Stanger, (Ohio State University Press, 1962).
編著 Interpretations of American Foreign Policy, (University of Chicago Press, 1930). Unemployment as a World-problem: Lectures on the Harris Foundation 1931, (University of Chicago Press, 1931). Gold and Monetary Stabilization: Lectures on the Harris Foundation 1932, (University of Chicago Press, 1932). Public Opinion and World Politics, (University of Chicago Press, 1933). A Foreign Policy for the United States, (University of Chicago Press, 1947). United States Foreign Policy and the United Nations, (American Association for the United Nations, 1957).
共編著 Preventing World War III: Some Proposals, co-edited with William M. Evan and Morton Deutsch, (Simon and Schuster, 1962). 鹿島守之助訳『第三次世界大戦の防止』（鹿島研究所出版会, 1965年）