The DAS Building bombing was a truck bomb attack in Bogotá, Colombia, at 7:30 am on December 6, 1989, targeting the Administrative Department of Security (DAS) headquarters.

A truck parked near the building exploded, killing 57 people instantly and injuring 2,248.

[3] It is widely believed that the Medellín Cartel was responsible for the attack, in an attempt to assassinate DAS director Miguel Maza Márquez, who escaped unharmed.

The same group was believed to be behind the bombing of Avianca Flight 203 9 days before.

[4][5] The DAS building bombing was the last in the long series of attacks that targeted Colombian politicians, officials, and journalists in 1989, which started with the January 18 killing of 12 judicial officials in Simacota.