- ABCN stands for Alliance Business Centers Network (executive suites, virtual offices and business centers; various locations)
- ABCN stands for American Board of Clinical Neuropsychology
- ABCN stands for Austrian Business and Convention Network (Vienna, Austria)
- ABCN stands for Atlantic Breast Cancer Net (web-based information portal; Breast Cancer Action Nova Scotia; Canada)
- ABCN stands for Anarchist Black Cross Network
- ABCN stands for American Border Collie Network (dog breeding)
ABCN