| 乌 | wū | crow; black; abbr. for Ukraine 乌克兰; surname Wu |
| 乌干达 | Wū gān dá | Uganda |
| 乌云 | wū yún | black cloud |
| 乌鲁木齐 | Wū lǔ mù qí | Ürümqi or Urumqi prefecture level city and capital of Xinjiang Uighur autonomous region 新疆维吾尔自治区 in west China |
| 乌克兰 | Wū kè lán | Ukraine |
| 乌鸦 | wū yā | crow; raven |
| 乌黑 | wū hēi | jet-black; dark |
| 乌托邦 | wū tuō bāng | utopia |
| 乌桓 | Wū huán | Wuhuan (nomadic tribe) |
| 乌龙茶 | wū lóng chá | Oolong tea |
| 乌苏 | Wū sū | Wusu city in Tacheng prefecture 塔城地区, Xinjiang |
| 乌苏里江 | Wū sū lǐ jiāng | Ussuri River |
| 乌龟 | wū guī | tortoise; cuckold |
| 乌达 | Wū dá | Ud raion or Wuda district of Wuhait city 乌海市, Inner Mongolia |
| 乌尔 | Wū ěr | Ur (Sumerian city c. 4500 BC in modern Iraq) |
| 三足乌 | sān zú wū | three-legged Golden Crow that lives in the sun (in northeast Asian and Chinese mythology); Korean: samjog'o |
| 三足金乌 | sān zú jīn wū | three-legged Golden Crow that lives in the sun (in northeast Asian and Chinese mythology); Korean: samjog'o |
| 丢乌纱帽 | diū wū shā mào | lit. to lose one's black hat; to be sacked from an official post |
| 基希讷乌 | Jī xī nè wū | Chişinău or Chisinau, capital of Moldova |
| 大乌苏里岛 | Dà wū sū lǐ dǎo | Bolshoi Ussuriisk Island in the Heilongjiang or Amur river, at mouth of the Ussuri River opposite Khabarovsk; same as Heixiazi Island 黑瞎子岛 |
| 大乌鸦 | dà wū yā | a raven |
| 寻乌 | Xún wū | Xunwu county in Ganzhou 赣州, Jiangxi |
| 寻乌县 | Xún wū xiàn | Xunwu county in Ganzhou 赣州, Jiangxi |
| 德乌帕 | dé wū pà | Sher Bahadur Deuba (former prime minister of Nepal) |
| 爱屋及乌 | ài wū jí wū | lit. love the house and its crow (idiom); involvement with sb and everyone connected; Love me, love my dog. |
| 搞乌龙 | gǎo wū lóng | to mess something up; see also 乌龙球 |
| 东乌珠穆沁旗 | Dōng wū zhū mù qìn qí | East Ujimqin banner or Züün Üzemchin khoshuu in Xilin Gol league 锡林郭勒盟, Inner Mongolia |
| 沙乌地阿拉伯 | Shā wū dì Ā lā bó | Saudi Arabia |
| 乌七八糟 | wū qī bā zāo | everything in disorder; in a hideous mess; obscene; dirty; filthy (idiom) |
| 乌什 | Wū shí | Uchturpan nahiyisi (Uqturpan county) in Aksu 阿克苏地区, west Xinjiang |
| 乌什塔拉 | Wū shén tǎ lā | Wushentala Hui village in Bayin'guoleng Mongol autonomous prefecture 巴音郭愣蒙古自治州, Xinjiang |
| 乌什塔拉回族乡 | Wū shén tǎ lā Huí zú xiāng | Wushentala Hui village in Bayin'guoleng Mongol autonomous prefecture 巴音郭愣蒙古自治州, Xinjiang |
| 乌什塔拉乡 | Wū shén tǎ lā xiāng | Wushentala Hui village in Bayin'guoleng Mongol autonomous prefecture 巴音郭愣蒙古自治州, Xinjiang |
| 乌什县 | Wū shí xiàn | Uchturpan nahiyisi (Uqturpan county) in Aksu 阿克苏地区, west Xinjiang |
| 乌伊岭 | Wū yī lǐng | Wuyiling district of Yichun city 伊春市, Heilongjiang |
| 乌伊岭区 | Wū yī lǐng qū | Wuyiling district of Yichun city 伊春市, Heilongjiang |
| 乌来 | Wū lái | Wulai township in Taipei county 台北县, Taiwan |
| 乌来乡 | Wū lái xiāng | Wulai township in Taipei county 台北县, Taiwan |
| 乌伦古河 | Wū lún gǔ hé | Ulungur River in Xinjiang |
| 乌伦古湖 | Wū lún gǔ hú | Lake Ulungur in Xinjiang |
| 乌克兰人 | Wū kè lán rén | Ukrainian (person) |
| 乌克丽丽 | wū kè lì lì | ukulele; simplified form also written 尤克里里琴 |
| 乌冬面 | wū dōng miàn | udon noodles |
| 乌合之众 | wū hé zhī zhòng | mob |
| 乌丘 | Wū qiū | Wuchiu township in Kinmen County 金门县 (Kinmen or Quemoy islands), Taiwan |
| 乌丘乡 | Wū qiū xiāng | Wuchiu township in Kinmen County 金门县 (Kinmen or Quemoy islands), Taiwan |
| 乌塌菜 | wū tā cài | rosette bok choy (Brassica rapa var. rosularis) |
| 乌压压 | wū yā yā | forming a dense mass |
| 乌孜别克 | Wū zī bié kè | Uzbek ethnic group of Xinjiang |
| 乌孜别克族 | Wū zī bié kè zú | Uzbek ethnic group of Xinjiang |
