ABCS

ABCS may mean:

• Army Battle Command System
• Aeromedical Biological Containment System
• ABCS Tournament, an international association football competition
• ABCs (song), 2008 single by K'naan featuring Chubb Rock
• ABCS, callsign for the Australian Broadcasting Corporation's TV station in Ceduna, South Australia
• The ABC Song, also known as "The ABCs"