The Army Combat Badge (ACB) is a military decoration that is awarded to any member of the Australian Defence Force (ADF) for service with an Army combat element in warlike operations.

[1] Its equivalent is the Infantry Combat Badge.

[2] In 1970, the Infantry Combat Badge was instituted to recognise the service of Army personnel in battle or on operations; however, only personnel serving as infantry were eligible for the award.

The Army Combat Badge (ACB) was instituted in 2005 to recognise the unique service of non infantry personnel operating with an Arms Corps unit within a warlike area of operations.

[3] To be eligible to be issued the ACB, a member must have: