AABC

AABC may refer to:


 * Accrediting Association of Bible Colleges
 * American Amateur Baseball Congress
 * Australian Army Band Corps
 * AABC, a pattern of musical phrases forming an incomplete repetition
 * aabc, a type of hand based on suit in poker probability
 * Arthur Andersen Business Consulting, a unit formed by the accounting firm Arthur Andersen
 * Alabama Aquatic Biodiversity Center
 * Anger-Aggression Bidirectional-Causation, a psychologic theory by Vladimir J. Konečni