COA具有多种含义：
(1)Certificate Of Authenticity,又称正版证明标签或防伪证明书·
(2)City of Angels,COA联盟.
(3)Computer Organization and Architecture,带有硬件控制的协同办公管控系统,协同办公自动化系统
(4)Chinese Orthopaedic Association,中华医学会骨科分会
(5)Color-filter on Array.是将彩色滤光片与阵列（Array）基板集成在一起的其中一种集成技术.
(6) Coenzyme A (Co A) 辅酶A
(7) Certificate of Analysis （多为化学品的）分析报告
(8) Contract of Affreightment 包租合同
(9) Change of Authorization
(10)COA合同 (Contract of Affreightment 或简称 COA)
(11) 转交地址
(12)chart of account ORACLE EBS总账模块凭证字段
