军事心理学是研究、设计和应用心理学理论和经验数据，以了解、预测和反击友军或敌军或平民中可能不受欢迎、具有威胁或潜在危险的行为。
Military psychology is the research, design and application of psychological theories and empirical data towards understanding, predicting, and countering behaviours either in friendly or enemy forces or civilian population that may be undesirable, threatening or potentially dangerous.