John Spencer (military officer)

John Spencer
AllegianceUnited States
BranchUnited States Army
California State Guard
RankMajor (USA)
Colonel (CSG)
CommandsUrban Warfare Training, 40th Infantry Division
ConflictsIraq War
Alma materGeorgetown University

John W. Spencer is a retired United States Army officer, researcher of urban warfare, and author. He currently serves as the chair of urban warfare studies at the Modern War Institute, codirector of the Urban Warfare Project, and host of the Urban Warfare Project Podcast at West Point. He is a founding member of the International Working Group on Subterranean Warfare.

He has commented on the Russian invasion of Ukraine. His comments on the 2023 Israeli invasion of the Gaza Strip and denial of the Gaza genocide have been controversial.