مستضد الكريات البيضاء البشريه ا (بالانجليزى: HLA-A) هوا چين موجود فى الانسان العاقل بيشفره Major histocompatibility complex, class I, A و HLA class I histocompatibility antigen, A-80 alpha chain و HLA class I histocompatibility antigen, A-68 alpha chain و HLA class I histocompatibility antigen, A-2 alpha chain و HLA class I histocompatibility antigen, A-32 alpha chain و HLA class I histocompatibility antigen, A-30 alpha chain و HLA class I histocompatibility antigen, A-31 alpha chain و HLA class I histocompatibility antigen, A-33 alpha chain و HLA class I histocompatibility antigen, A-25 alpha chain و HLA class I histocompatibility antigen, A-23 alpha chain و HLA class I histocompatibility antigen, A-26 alpha chain و HLA class I histocompatibility antigen, A-34 alpha chain و HLA class I histocompatibility antigen, A-36 alpha chain و HLA class I histocompatibility antigen, A-43 alpha chain و HLA class I histocompatibility antigen, A-66 alpha chain و HLA class I histocompatibility antigen, A-74 alpha chain و HLA class I histocompatibility antigen, A-29 alpha chain و HLA class I histocompatibility antigen, A-11 alpha chain و HLA class I histocompatibility antigen, A-1 alpha chain و HLA class I histocompatibility antigen, A-24 alpha chain و HLA class I histocompatibility antigen, A-69 alpha chain.