| 肥西县 | Féi xī xiàn | Feixi county in Hefei 合肥, Anhui |
| 临西 | Lín xī | Lingxi county in Xingtai 邢台, Hebei |
| 临西县 | Lín xī xiàn | Lingxi county in Xingtai 邢台, Hebei |
| 艾扑西龙 | ài pū xī lóng | epsilon (Greek letter Εε) |
| 莱西 | Lái xī | Laixi county level city in Qingdao 青岛, Shandong |
| 莱西市 | Lái xī shì | Laixi county level city in Qingdao 青岛, Shandong |
| 苏拉威西 | Sū lā wēi xī | Sulawesi or Celebes (Indonesian Island) |
| 苏西洛 | Sū xī luò | Susilo Bambang Yudhoyono (1949-, retired Indonesian general, President of the Republic of Indonesia from 2004) |
| 兰西 | Lán xī | Langxi county in Suihua 绥化, Heilongjiang |
| 兰西县 | Lán xī xiàn | Langxi county in Suihua 绥化, Heilongjiang |
| 西三条 | xī sān tiáo | Xisantiao (Beijing placename) |
| 西乃 | Xī nǎi | Sinai |
| 西乃山 | xī nǎi shān | Mount Sinai |
| 西来庵 | Xī lái ān | Xilai Temple (Tainan, Taiwan) |
| 西侧 | xī cè | west side; west face |
| 西元 | Xī yuán | Christian era; Gregorian calendar; AD (Anno Domini); same as 公元 |
| 西元前 | Xī yuán qián | before the common era; BC |
| 西充 | Xī chōng | Xichong county in Nanchong 南充, Sichuan |
| 西充县 | Xī chōng xiàn | Xichong county in Nanchong 南充, Sichuan |
| 西北工业大学 | Xī běi Gōng yè Dà xué | Northwestern Polytechnical University |
| 西北方 | xī běi fāng | northwest; northwestern |
| 西北航空公司 | Xī běi Háng kōng Gōng sī | Northwest Airlines |
| 西北部 | Xī běi bù | northwest part |
| 西区 | Xī qū | west district of city; west zone; Hsi west district of a Taiwanese city |
| 西半球 | xī bàn qiú | Western Hemisphere |
| 西南中沙群岛 | Xī nán zhōng shā qún dǎo | Xinanzhongsha islands, Hainan |
| 西南亚 | xī nán yà | southwest Asia |
| 西南交通大学 | Xī nán Jiāo tōng Dà xué | Southwest Jiaotong University |
| 西南大学 | Xī nán Dà xué | Southwest University (Chongqing) |
| 西南部 | xī nán bù | southwest part |
| 西印度 | Xī Yìn dù | West Indies (i.e. the Caribbean) |
| 西吉 | Xī jí | Xiji county in Guyuan 固原, Ningxia |
| 西吉县 | Xī jí xiàn | Xiji county in Guyuan 固原, Ningxia |
| 西和 | Xī hé | Xihe county in Longnan 陇南, Gansu |
| 西和县 | Xī hé xiàn | Xihe county in Longnan 陇南, Gansu |
| 西哈努克 | xī hā nǔ kè | (King) Sihanouk (of Cambodia) |
| 西单 | Xī dān | Xidan neighborhood of central Beijing |
| 西单图书大厦 | Xī dān tú shū dà shà | Xidan book center |
| 西固 | Xī gù | Xigu district of Lanzhou city 兰州市, Gansu |
| 西固区 | Xī gù qū | Xigu district of Lanzhou city 兰州市, Gansu |
| 西城区 | Xī chéng qū | Xicheng district of central Beijing |
| 西域记 | Xī yù jì | Report of the regions west of Great Tang; travel record of Xuan Zang 玄奘 on his travels to Central Asia and India |
| 西塔 | xī tǎ | theta (Greek letter Θθ) |
| 西塞山 | Xī sài shān | Xisaishan district of Huangshi city 黄石市, Hubei |
| 西塞山区 | Xī sài shān qū | Xisaishan district of Huangshi city 黄石市, Hubei |
| 西塞罗 | Xī sāi luó | Marcus Tullius Cicero (106-43 BC), famous Roman politician, orator and philosopher, murdered at the orders of Marc Anthony |
| 西夏区 | Xī xià qū | Xixia district of Yinchuan city 银川市, Ningxia |
| 西太平洋 | Xī tài píng yáng | the Western pacific |
| 西奇 | xī qí | sygyt (overtone singing) |
| 西奈 | Xī nài | Sinai Peninsula |