The Colombian Battalion was an infantry battalion of the Colombian Army that served under United Nations Command during the Korean War from 1951 to 1954. The first Colombian military unit to serve in Asia, the battalion was attached to the U.S. 7th Infantry Division and 25th Infantry Divisions.

The National Army of Colombia is the land warfare service branch of the Military Forces of Colombia. With over 361,420 active personnel as of 2020, it is the largest and oldest service branch in Colombia, and is the second largest army in the Americas after the United States and before the Brazil.