| 西屿乡 | Xī yǔ xiāng | Xiyu or Hsiyu township in Penghu county 澎湖县 (Pescadores Islands), Taiwan |
| 西岳 | xī yuè | Mt Hua 华山 in Shaanxi, one of the Five Sacred Mountains 五岳 |
| 西工区 | Xī gōng qū | Xigong district of Luoyang City 洛阳市 in Henan province 河南 |
| 西市区 | Xī shì qū | West city district; Xishi district of Yingkou City 营口市, Liaoning |
| 西平 | Xī píng | Xiping county in Zhumadian 驻马店, Henan |
| 西平县 | Xī píng xiàn | Xiping county in Zhumadian 驻马店, Henan |
| 西康 | Xī kāng | historic province of Tibet in Kham region and west Sichuan, a province of Republic of China 1928-49 with capital Ya'an 雅安 |
| 西康省 | Xī kāng shěng | western Kham; historic province of Tibet in Kham region and west Sichuan, a province of Republic of China 1928-49 with capital Ya'an 雅安 |
| 西厢记 | Xī xiāng jì | Romance of the West Chamber by Wang Shifu 王实甫 |
| 西弗 | Xī fú | Sievert (Sv), unit of radiation damage used in radiotherapy |
| 西弗吉尼亚 | Xī Fú jí ní yà | West Virginia, US state |
| 西弗吉尼亚州 | Xī Fú jí ní yà zhōu | West Virginia, US state |
| 西征 | xī zhēng | punitive expedition to the west |
| 西德尼 | Xī dé ní | Sidney or Sydney (name) |
| 西拉雅族 | Xī lā yǎ zú | Siraya, one of the indigenous peoples of Taiwan |
| 西敏 | Xī mǐn | Westminster, a London borough |
| 西文 | Xī wén | Spanish; western language; foreign languages (in Qing times) |
| 西斯塔尼 | xī sī tǎ ní | Sistani (name of a prominent Iraqi Ayatollah) |
| 西斯廷 | Xī sī tíng | Sistine (Chapel); also written 西斯汀 |
| 西斯汀 | Xī sī tīng | Sistine (Chapel); also written 西斯廷 |
| 西方世界 | xī fāng shì jiè | the Western world |
| 西方人 | xī fāng rén | a westerner |
| 西方文化 | xī fāng wén huà | Western culture |
| 西方极乐世界 | xī fāng jí lè shì jiè | Western Pure Land of Ultimate Bliss or Sukhavati (Sanskrit) |
| 西方狍 | xī fāng páo | roe deer; capreolus capreolus |
| 西方马脑炎病毒 | xī fāng mǎ nǎo yán bìng dú | western equine encephalitis (WEE) virus |
| 西施犬 | xī shī quǎn | shih tzu (dog breed) |
| 西昌 | Xī chāng | Xichang cosmodrome; Xichang county level city in Liangshan Yi autonomous prefecture 凉山彝族自治州, south Sichuan |
| 西昌市 | Xī chāng shì | Xichang county level city in Liangshan Yi autonomous prefecture 凉山彝族自治州, south Sichuan |
| 西松 | Xī sōng | see 西松建设 |
| 西松建设 | Xī sōng Jiàn shè | Nishimatsu Construction Co. |
| 西林 | Xī lín | Xilin county in Baise 百色, Guangxi; Xilin district of Yichun city 伊春市, Heilongjiang |
| 西林区 | Xī lín qū | Xilin district of Yichun city 伊春市, Heilongjiang |
| 西林县 | Xī lín xiàn | Xilin county in Baise 百色, Guangxi |
| 西柚 | xī yòu | grapefruit |
| 西格玛 | Xī gé mǎ | sigma (Greek letter Σσ); (symbol for standard deviation in statistics) |
| 西格蒙德 | Xī gé mēng dé | Sigmund (name) |
| 西格马 | xī gé mǎ | sigma (Greek letter Σσ) |
| 西楼梦 | Xī lóu mèng | Qing dynasty novel the Western Chamber by Yuan Yuling 袁于令; same as 西楼记 |
| 西楼记 | Xī lóu jì | Qing dynasty novel the Western Chamber by Yuan Yuling 袁于令; same as 西楼梦 |
| 西欧联盟 | Xī ōu Lián méng | Western European Union (WEU) |
| 西池 | Xī Chí | legendary pool |
| 西沙 | Xī shā | see 西沙群岛 |
| 西洋人 | xī yáng rén | westerner |
| 西洋杉 | xī yáng shān | cedar |
| 西洋棋 | xī yáng qí | chess |
| 西洋菜 | xī yáng cài | watercress (Nasturtium officinale) |
| 西洋镜 | xī yáng jìng | hanky-panky; trickery |
| 西洛赛宾 | xī luò sài bīn | psilocybin |
| 西凉 | Xī Liáng | Western Liang of the Sixteen Kingdoms (400-421) |
