AO

AO Alexander Ovechkin (hockey player) 亚历山大Ovechkin(曲棍球运动员)

AO Adults Only (ESRB game rating, 18 yrs. and up; graphic sex/violence) 成年人(ESRB游戏评级,18 yrs.和图形性/暴力)

AO Authorized Outage 授权停电

AO Abort Output (TELNET protocol) 输出(远程登录协议终止)

AO Automags Online Automags在线

AO Anglicans Online 英国国教在线

AO Appeals Office(r) 上诉办公室(r)

AO Aircraft Operator 航空运营商

AO Other Articles (US postal service) 其他的文章(美国邮政服务)

AO Accounts Office 会计师事务所

AO Automated Operations 自动化操作

AO Athlitikos Omilos (Greek: Athletic Club) Athlitikos Omilos(希腊语:体育俱乐部)

AO American Optical 美光

AO Academy of Osseointegration 与学院

AO Atualidades OrnitolÓgicas (Ivaiporã-PR, Brazil) Atualidades OrnitolÓgicas (Ivaiporã-PR, Brazil)

AO Autonomous Okrug Okrug自治

AO Argentum Online Argentum在线

AO Alpha et Omega (epigraphy) 法,我是俄梅戛(α等金石学)

AO Authorizing Official (for IMPAC Purchases) IMPAC授权官员(购买)

AO Order of Australia 澳大利亚的订单