Jeff Halper (Hebrew: ג'ף הלפר; born 1946) is an American-Israeli anthropologist, author, lecturer, and political activist who has lived in Israel since 1973. Halper's books range from Between Redemption and Revival: The Jewish Yishuv in Jerusalem in the Nineteenth Century, Westview, (1991) to Decolonizing Israel, Liberating Palestine: Zionism, Settler Colonialism, and the Case for One Democratic State, Pluto Press, (2021). He is the Director of the Israeli Committee Against House Demolitions (ICAHD) and a co-founder of The One Democratic State Campaign (ODSC).