The National Army of Uruguay (Spanish: Ejército Nacional del Uruguay) is the land force branch of the Armed Forces of the Oriental Republic of Uruguay. The largest military branch, it is organized and trained to plan, execute and conduct the military actions for National Defense in the terrestrial sphere.^[1] It has its roots in the military campaigns of General José Gervasio Artigas within the framework of the Oriental revolution.^[2]

The National Army serves as the land-based branch of the Uruguayan Armed Forces. In accordance with Decree-Law 15,688, its mission is to contribute to guaranteeing external and internal national security, within the framework of the mission of the Armed Forces.^[1]

The National Army is organized into four divisions, with each one grouping a certain number of departments.^[3] The Commander in Chief is the highest ranking officer of the branch, who reports directly to the President of Uruguay, acting with the Minister of National Defense, or in the Council of Ministers.

• Liceo Militar General Artigas (General Artigas Military High School)
• Escuela Militar (Military School)
• IMAE Instituto Militar de Armas y Especialidades (Military Institute of Weapons and Specialties)
• IMES Instituto Militar de Estudios Superiores (Military Institute of Higher Studies)
• Escuela de Ingenieros del Ejército (Army Engineers School)
• ECOME Escuela de Comunicaciones del Ejército (Army School of Communications)
• C.I.A.C.A. Centro de Instrucción de Artillería de Campaña y Antiaérea "Cnel. Antonio E. Trifoglio" ('Field and Air Defense Artillery Instruction Center "Cnel. Antonio E. Trifoglio")
• CIMA Centro de Instrucción de Material y Armamento (Material and Armament Instruction Center)
• Comisión de Ciencia y Tecnología del Ejército (Army Science and Technology Commission)