| 阿比让 | Ā bǐ ràng | Abidjan (city in Ivory Coast) |
| 阿法尔 | Ā fǎ ěr | Afar region of northeast Ethiopia; Afar people |
| 阿法尔沙漠 | ā fǎ ěr shā mò | the Afar desert in Southern Ethiopia |
| 阿法罗密欧 | Ā fǎ Luō mì ōu | Alfa Romeo |
| 阿波罗 | Ā bō luó | Apollo (loanword) |
| 阿波罗计划 | Ā bō luó jì huà | the Apollo project (1961-1975), the NASA moon landing project |
| 阿洛菲 | Ā luò fēi | Alofi, capital of Niue |
| 阿爸父 | Ā bà fù | Abba (Aramaic word father); by ext. God the Father in Christian gospel |
| 阿爹 | ā diē | Dad |
| 阿尔伯塔 | Ā ěr bó tǎ | Alberta province of Canada, capital Edmonton 埃德蒙顿 |
| 阿尔伯特 | Ā ěr bó tè | Albert (name) |
| 阿尔加维 | Ā ěr jiā wéi | the Algarve (southern region of Portugal) |
| 阿尔卑斯 | Ā ěr bēi sī | Alps, mountain range bordering Switzerland |
| 阿尔卑斯山 | Ā ěr bēi sī shān | Alps, mountain range bordering Switzerland |
| 阿尔卡特 | Ā ěr kǎ tè | Alcatel, old company name |
| 阿尔及利亚人 | Ā ěr jí lì yà rén | Algerian |
| 阿尔坎塔拉 | Ā ěr kǎn tǎ lā | Alcántara, municipality in the province of Cáceres, Extremadura, Spain; Alcantara, Brazil space launch site |
| 阿尔山 | Ā ěr shān | Arxan county level city, Mongolian Rashaant xot, in Hinggan league 兴安盟, east Inner Mongolia |
| 阿尔山市 | Ā ěr shān shì | Arxan county level city, Mongolian Rashaant xot, in Hinggan league 兴安盟, east Inner Mongolia |
| 阿尔巴尼亚人 | Ā ěr bā ní yà rén | Albanian (person) |
| 阿尔斯通公司 | Ā ěr sī tōng gōng sī | Alstom, company name |
| 阿尔梅里亚 | Ā ěr méi lǐ yà | Almería |
| 阿尔法 | ā ěr fǎ | alpha (Greek letter Αα) |
| 阿尔法・罗密欧 | Ā ěr fǎ · Luó mì ōu | Alfa Romeo |
| 阿尔法粒子 | ā ěr fǎ lì zǐ | alpha particle (helium nucleus) |
| 阿尔泰 | Ā ěr tài | Altai republic in Russian central Asia, capital Gorno-Altaysk |
| 阿尔泰山脉 | Ā ěr tài shān mài | Altai mountain chain on the border of Russia and Mongolia |
| 阿尔泰语 | Ā ěr tài yǔ | Altaic language |
| 阿尔汉格尔斯克州 | Ā ěr hàn gé ěr sī kè zhōu | Arkhangelsk Oblast, Russia |
| 阿尔瓦塞特 | Ā ěr wǎ sè tè | Albacete, Spain |
| 阿尔瓦雷 | Ā ěr wǎ léi | Alvarez (name) |
| 阿尔茨海默 | Ā ěr cí hǎi mò | Alois Alzheimer (1864-1915), German psychiatrist and neuropathologist |
| 阿尔茨海默氏病 | Ā ěr cí hǎi mò shì bìng | Alzheimer's disease; senile dementia |
| 阿尔茨海默氏症 | Ā ěr cí hǎi mò shì zhèng | Alzheimer's disease; senile dementia |
| 阿尔茨海默病 | Ā ěr cí hǎi mò bìng | Alzheimer's disease; senile dementia |
| 阿尔茨海默症 | Ā ěr cí hǎi mò zhèng | Alzheimer's disease; senile dementia |
| 阿尔盖达 | Ā ěr Gài dá | al-Qaeda |
| 阿尔萨斯 | Ā ěr sà sī | Alsace, French department |
| 阿尔衮琴 | Ā ěr gǔn qín | Algonquin (North American people) |
| 阿尔都塞 | Ā ěr dōu sāi | surname Althusser; Louis Pierre Althusser 路易・皮埃尔・阿尔都塞[Lu4 yi4 · Pi2 ai1 er3 · A1 er3 dou1 sai1] (1918-1990), Marxist philosopher |
| 阿片 | ā piàn | opium; variant of 鸦片 |
| 阿物儿 | ā wùr | thing; (you) useless thing |
| 阿特拉斯 | Ā tè lā sī | Atlas (Titan in Greek mythology); Atlas mountains of north Africa |
| 阿特兰蒂斯 | Ā tè lán dì sī | Atlantis |
| 阿特金斯 | Ā tè jīn sī | Atkins (name) |
| 阿瑞斯 | Ā ruì sī | Ares, Greek god of war; Mars |
| 阿瑟 | Ā sè | Arthur (name) |
| 阿瑟县 | Ā sè xiàn | Arthur County, Nebraska |
| 阿瑟镇 | Ā sè zhèn | Arthur's Town, Cat Island |
| 阿瓦提 | Ā wǎ tí | Avat nahiyisi (Awat county) in Aksu 阿克苏地区, west Xinjiang |
