Yechiel "Michael" Leiter (Hebrew: יחיאל לייטר; born October 1, 1959) is an American-born Israeli historian of philosophy, public policy analyst, rabbi and settlement activist.

[citation needed] The newspaper Haaretz claimed that as a youth, Leiter was active in the far-right Jewish Defense League led by Rabbi Meir Kahane, and emigrated to Israel together with other activists from that organization.

[clarification needed] Leiter subsequently became a senior policy analyst[4] at the Jerusalem Center for Public Affairs, where he directed and edited a geopolitical blog.

Leiter has served as a member of the board of governors of the University of Judea and Samaria in Ariel and as a director on the National Committee for the Perpetuation of the Memory of Theodor Herzl.

Moshe Yedidia Leiter, a medical graduate,[clarification needed] served as a platoon commander in the Shaldag Unit and was killed in the northern Gaza Strip in 2023 in the Iron Swords War.