The Red de Astronomía de Colombia (RAC), legally the Asociación Red de Astronomía de Colombia, is a private nonprofit national network based in Medellín that connects astronomy associations, educational groups, observatories, planetariums, university groups, teachers, professionals, and amateur observers across Colombia. With more than two decades of documented activity, it advances astronomy and space-science education, public engagement, observing, professional and community exchange, national meetings, teacher development, school programs, publishing, and cooperation among Colombia's astronomy organizations.