| 澳 | [ aò ] abbr. for Macao 澳門|澳门, abbr. for Australia 澳大利亞|澳大利亚 |
| 澳 | [ aò ] deep bay, cove, harbor |
| 澳元 | [ aò yuán ] Australian dollar |
| 澳南沙錐 | [ aò nán shā zhuī ] (bird species of China) Latham's snipe (Gallinago hardwickii) |
| 澳大利亞 | [ aò dà lì yà ] Australia |
| 澳大利亞國立大學 | [ aò dà lì yà guó lì dà xué ] Australian National University (ANU), Canberra |
| 澳大利亞洲 | [ aò dà lì yà zhoū ] Australia, abbr. to 澳洲[Ao4 zhou1] |
| 澳大利亞聯邦 | [ aò dà lì yà lián bāng ] Commonwealth of Australia |
| 澳大利亞首都特區 | [ aò dà lì yà shoǔ dū tè qū ] Australian Capital Territory |
| 澳寶 | [ aò baǒ ] opal (abbr. for 澳洲寶石|澳洲宝石) |
| 澳幣 | [ aò bì ] Australian dollar |
| 澳式橄欖球 | [ aò shì gǎn lǎn qiú ] Australian rules football, Aussie rules |
| 澳新界 | [ aò xīn jiè ] Australasian realm |
| 澳新軍團 | [ aò xīn jūn tuán ] Australian and New Zealand Army Corps (ANZAC) |
| 澳新軍團日 | [ aò xīn jūn tuán rì ] Anzac Day |
| 澳洲 | [ aò zhoū ] Australia, abbr. for 澳大利亞洲|澳大利亚洲[Ao4 da4 li4 ya4 Zhou1] |
| 澳洲堅果 | [ aò zhoū jiān guǒ ] macadamia nut |
| 澳洲小鸚鵡 | [ aò zhoū yīng wǔ ] lorikeet |
| 澳洲廣播電臺 | [ aò zhoū guǎng bō diàn taí ] Australian Broadcasting Corporation (ABC), Australian state-run broadcaster |
| 澳洲野犬 | [ aò zhoū yě quǎn ] dingo (Canis dingo) |
| 澳洲鰻鱺 | [ aò zhoū mán lí ] short-finned eel (Anguilla australis) |
| 澳紐 | [ aò niǔ ] Australia and New Zealand |
| 澳網 | [ aò wǎng ] Australian Open (tennis tournament) |
| 澳門 | [ aò mén ] Macao, Aomen, Macau |
| 澳門國際機場 | [ aò mén guó jì jī chǎng ] Macau International Airport |
| 澳門市 | [ aò mén shì ] Municipality of Macau, Concelho de Macau |
| 澳門立法會 | [ aò mén lì fǎ huì ] Legislative Council of Macao |
| 澳際 | [ aò jì ] Aoji, education agent |
| ⇒ 中澳 | [ zhōng aò ] China-Australia (relations) |
| ⇒ 南方澳漁港 | [ nán fāng aò yú gǎng ] Nanfang-ao Port in Yilan County 宜蘭縣|宜兰县[Yi2 lan2 Xian4], Taiwan |
| ⇒ 南澳 | [ nán aò ] Nan'ao County in Shantou 汕頭|汕头[Shan4 tou2], Guangdong, Nan'ao Township in Yilan County 宜蘭縣|宜兰县[Yi2 lan2 Xian4], Taiwan, abbr. for 南澳大利亞州|南澳大利亚州[Nan2 ao4 da4 li4 ya4 zhou1], South Australia |
| ⇒ 南澳大利亞州 | [ nán aò dà lì yà zhoū ] South Australia, Australian state |
| ⇒ 南澳島 | [ nán aò daǒ ] Nan'ao Island in Shantou 汕頭|汕头[Shan4 tou2], Guangdong |
| ⇒ 南澳縣 | [ nán aò xiàn ] Nan'ao County in Shantou 汕頭|汕头[Shan4 tou2], Guangdong |
| ⇒ 南澳鄉 | [ nán aò xiāng ] Nan'ao Township in Yilan County 宜蘭縣|宜兰县[Yi2 lan2 Xian4], Taiwan |
| ⇒ 國務院港澳事務辦公室 | [ guó wù yuàn gǎng aò shì wù bàn gōng shì ] Hong Kong and Macao Affairs Office of the State Council |
| ⇒ 土澳 | [ tǔ aò ] Australia (slang term reflecting a perception of Australia as something of a backwater) |
| ⇒ 港澳 | [ gǎng aò ] Hong Kong 香港[Xiang1 gang3] and Macao 澳門|澳门[Ao4 men2] |
| ⇒ 港澳地區 | [ gǎng aò dì qū ] Hong Kong and Macao area |
| ⇒ 港澳臺 | [ gǎng aò taí ] Hong Kong 香港, Macao 澳門|澳门 and Taiwan 臺灣|台湾[Tai2 wan1] |
| ⇒ 港澳辦 | [ gǎng aò bàn ] Hong Kong and Macao Affairs Office of the State Council (abbr. for 國務院港澳事務辦公室|国务院港澳事务办公室[Guo2 wu4 yuan4 Gang3 Ao4 Shi4 wu4 Ban4 gong1 shi4]) |
| ⇒ 港珠澳 | [ gǎng zhū aò ] abbr. for Hong Kong 香港[Xiang1 gang3], Zhuhai 珠海[Zhu1 hai3] and Macau 澳門|澳门[Ao4 men2] |
| ⇒ 港珠澳大橋 | [ gǎng zhū aò dà ] Hong Kong-Zhuhai-Macau Bridge |
| ⇒ 珠澳 | [ zhū aò ] abbr. for Zhuhai 珠海[Zhu1 hai3] and Macau 澳門|澳门[Ao4 men2] |
| ⇒ 省港澳 | [ shěng gǎng aò ] abbr. for the economic region of Guangdong Province (or Guangzhou), Hong Kong and Macao |
| ⇒ 粵港澳大灣區 | [ yuè gǎng aò dà wān qū ] Guangdong-Hong Kong-Macao Greater Bay Area, established in 2017, consisting of Hong Kong, Macao and nine cities in Guangdong |
| ⇒ 臨時澳門市政執行委員會 | [ lín shí aò mén shì zhèng zhí xíng weǐ yuán huì ] Provisional Municipal Council of Macau, Câmara Municipal de Macau Provisória |
| ⇒ 蘇澳 | [ sū aò ] Su'ao Town in Yilan County 宜蘭縣|宜兰县[Yi2 lan2 Xian4], Taiwan |
| ⇒ 蘇澳鎮 | [ sū aò zhèn ] Su'ao Town in Yilan County 宜蘭縣|宜兰县[Yi2 lan2 Xian4], Taiwan |
| ⇒ 西澳大利亞 | [ xī aò dà lì yà ] Western Australia, Australian state |
| ⇒ 西澳大利亞州 | [ xī aò dà lì yà zhoū ] Western Australia, Australian state |
| ⇒ 韓澳 | [ hán aò ] South Korea and Australia |
