| 阿空加瓜山 | Ā kōng jiā guā shān | Cerro Aconcagua, mountain in the Americas |
| 阿米巴 | ā mǐ bā | amoeba |
| 阿米巴病 | ā mǐ bā bìng | amebiasis; amebiosis |
| 阿米巴痢疾 | ā mǐ bā lì ji | amoebic dysentery; amebic dysentery |
| 阿米纳达布 | Ā mǐ nà dá bù | Amminadab (name) |
| 阿维拉 | Ā wéi lā | Avila, Spain |
| 阿罗汉 | ā luó hàn | arhat (Sanskrit); a holy man who has left behind all earthly desires and concerns and attained nirvana (Buddhism) |
| 阿罗约 | Ā luó yuē | surname Arroyo |
| 阿美尼亚 | Ā měi ní yà | variant of 亚美尼亚, Armenia |
| 阿美恩斯 | ā měi ēn sī | Amiens (French town) |
| 阿美族 | Ā měi zú | Amis or Pangcah, one of the indigenous peoples of Taiwan |
| 阿耳忒弥斯 | Ā ěr tè mí sī | Artemis (Greek goddess of the moon) |
| 阿耳戈斯 | Ā ěr gē sī | Argus; in Greek mythology, a monster with 100 eyes, transformed into peacock's tail |
| 阿联酋 | Ā lián qiú | United Arab Emirates; abbr. for 阿拉伯联合酋长国 |
| 阿联酋航空 | Ā lián qiú Háng kōng | Emirates airline |
| 阿联酋长国 | ā lián qiú zhǎng guó | United Arab Emirates; abbr. for 阿拉伯联合酋长国 |
| 阿肯色 | Ā kěn sè | Arkansas, US state |
| 阿肯色大学 | Ā kěn sè Dà xué | University of Arkansas |
| 阿肯色州 | Ā kěn sè zhōu | Arkansas, US state |
| 阿育吠陀 | ā yù fèi tuó | Ayurveda (ancient Indian system and health care philosophy) |
| 阿育王 | Ā yù wáng | Ashoka (304-232 BC), Indian emperor of the Maurya dynasty 孔雀王朝, ruled 273-232 BC |
| 阿胶 | ē jiāo | donkey hide glue (used in traditional Chinese medicine) |
| 阿芙乐尔号 | Ā fú lè ěr háo | battle cruiser Avrora (Russian: dawn) firing the shot signaling the 1917 revolution, a favorite of communist iconography |
| 阿芙罗狄忒 | Ā fú luó dí tè | Aphrodite, Greek goddess of love; Venus |
| 阿芙蓉 | ā fú róng | opium |
| 阿芝特克人 | Ā zhī tè kè rén | Aztec (Person) |
| 阿芝特克语 | Ā zhī tè kè yǔ | Aztec (language) |
| 阿兹海默症病患 | Ā zī hǎi mò zhèng bìng huàn | Alzheimer's disease |
| 阿莫西林 | ā mò xī lín | amoxicillin |
| 阿华田 | Ā huà tián | Ovaltine (brand) |
| 阿莱奇冰川 | Ā lái qí bīng chuān | Aletsch glacier, Switzerland |
| 阿莱曼 | Ā lái màn | El Alamein, town in Egypt |
| 阿蒙 | ā méng | Amun, deity in Egyptian mythology, also spelled Amon, Amoun, Amen, and rarely Imen |
| 阿盖达 | Ā Gài dá | al-Qaeda |
| 阿莲 | Ā lián | Alien township in Kaohsiung county 高雄县, southwest Taiwan |
| 阿莲乡 | Ā lián xiāng | Alien township in Kaohsiung county 高雄县, southwest Taiwan |
| 阿萨姆 | Ā sà mǔ | Assam, India |
| 阿萨德 | Ā sà dé | Assad (Arabic name) |
| 阿苏 | Ā sū | Aso volcano in Kyūshū 九州, Japan, a continuously active volcano |
| 阿苏山 | Ā sū shān | Aso volcano in Kyūshū 九州, Japan, a continuously active volcano |
| 阿苏火山 | Ā sū huǒ shān | Aso volcano in Kyūshū 九州, Japan, a continuously active volcano |
| 阿兰 | Ā lán | Alan, Allen, Allan, Alain etc (name); A-lan (Chinese female name) |
| 阿兰文 | Ā lán wén | Aramaic |
| 阿兰若 | ā lán ruò | variant of 兰若, Buddhist temple (translit. of Sanskrit Aranyakah) |
| 阿訇 | Ā hōng | Iman (Islamic clergyman) |
| 阿谀 | ē yú | to flatter; to toady |
| 阿谀奉承 | ē yú fèng chéng | flattering and fawning (idiom); sweet-talking |
| 阿诺 | Ā nuò | Arnold (name); refers to Arnold Schwarzenegger 阿诺・施瓦辛格[A1 nuo4 · Shi1 wa3 xin1 ge2] |
| 阿诺・施瓦辛格 | Ā nuò · Shī wǎ xīn gé | Arnold Schwarzenegger (1947-), US actor and politician, governor of California since 2003; also written 阿诺德・施瓦辛格[A1 nuo4 de2 · Shi1 wa3 xin1 ge2] |
| 阿诺德・施瓦辛格 | Ā nuò dé · Shī wǎ xīn gé | Arnold Schwarzenegger (1947-), US actor and politician, governor of California since 2003 |
