| 西海 | Xī hǎi | western sea; Yellow Sea (from Korean perspective) |
| 墨西哥城 | Mò xī gē chéng | Mexico City, capital of Mexico |
| 西撒哈拉 | Xī Sā hā lā | Western Sahara |
| 西施 | Xī Shī | Xi Shi (c. 450 BC), famous Chinese beauty, foremost of the Four legendary beauties 四大美女, given by King Gou Jian of Yue 勾践 as concubine to King of Wu as part of a successful plan to destroy Wu |
| 关西 | Guān xī | Kansai region, Japan; Guanxi or Kuanhsi town in Hsinchu county 新竹县, northwest Taiwan |
| 加西亚 | Jiā xī yà | Garcia (person name) |
| 西戎 | Xī róng | the Xirong, an ancient ethnic group of Western China from the Zhou Dynasty onwards; Xionites (Central Asian nomads) |
| 墨西哥湾 | Mò xī gē Wān | Gulf of Mexico |
| 李卜克内西 | Lǐ bo kè nèi xī | Wilhelm Liebknecht (1826-1900), political activist and founding member of the German Socialist Party SPD |
| 泰西 | Tài xī | "the Far West"; old term for Europe and America |
| 西藏自治区 | Xī zàng zì zhì qū | Tibetan autonomous region, Tibetan: Bod rang skyong ljongs, abbr. 藏, capital Lhasa 拉萨 |
| 西郊 | xī jiāo | western suburbs |
| 东张西望 | dōng zhāng xī wàng | to look in all directions (idiom); to glance around |
| 声东击西 | shēng dōng jī xī | to make a declaration for the east and strike to the west; to misdirect |
| 辽西 | liáo xī | west of Liaoning |
| 西服 | xī fú | suit; western-style clothes (historical usage) |
| 西天 | Xī tiān | the Western Paradise (Buddhism) |
| 西沙群岛 | Xī shā Qún dǎo | Paracel Islands, in the South China Sea |
| 西里西亚 | Xī lǐ xī yà | Silesia |
| 西双版纳 | Xī shuāng bǎn nà | abbr. for 西双版纳傣族自治州 Xishuangbanna, Dhai autonomous prefecture in south Yunnan |
| 迁西 | Qiān xī | Qianxi county in Tangshan 唐山, Hebei |
| 巴西利亚 | Bā xī lì yà | Brasilia, capital of Brazil |
| 鸡西 | Jī xī | Jixi prefecture level city in Heilongjiang province 黑龙江 in northeast China |
| 东…西… | dōng xī | east and west; here and there |
| 东奔西走 | dōng bēn xī zǒu | to run this way and that (idiom); to rush about busily; to bustle about; to hopscotch; also 东跑西颠 |
| 西瓜 | xī guā | watermelon; CL:条 |
| 西餐 | xī cān | Western-style food; CL:份,顿 |
| 一东一西 | yī dōng yī xī | far apart |
| 三件套式西装 | sān jiàn tào shì xī zhuāng | three-piece suit |
| 上西天 | shàng xī tiān | to enter heaven; to rise to the Western Paradise |
| 下西洋 | xià xī yáng | to sail West (from China); refers to Zhenghe's 15th century expeditions to the Western Pacific |
| 中国西北边陲 | Zhōng guó xī běi biān chuí | border area of northwest China (i.e. Xinjiang) |
| 中大西洋脊 | zhōng dà xī yáng jǐ | mid-Atlantic ridge |
| 中西区 | Zhōng Xī qū | Central and Western district of Hong Kong |
| 中西合并 | Zhōng Xī hé bìng | Chinese-Western fusion |
| 中西部 | zhōng xī bù | midwest |
| 中西医 | zhōng xī yī | Chinese and western medicine; a doctor trained in Chinese and western medicine |
| 亚西尔・阿拉法特 | Yà xī ěr · Ā lā fǎ tè | Mohammed Abdel Rahman Abdel Raouf Arafat al-Qudwa al-Husseini (1929-2004), Palestinian leader, popularly known as Yasser Arafat |
| 亚达薛西 | Yà dá xuē xī | Artaxerxes |
| 以西结书 | Yǐ xī jié shū | Book of Ezekiel |
| 伊普西隆 | yī pǔ xī lóng | epsilon (Greek letter Εε) |
| 何西阿书 | hé xī ā shū | Book of Hosea |
| 佩洛西 | Pèi luò xī | Nancy Pelosi (1940-), US Democrat politician from California, speaker of US House of Representatives from 2007 |
| 偏西 | piān xī | inclining to the west (of the sun after noon); fig. pro-Western |
| 杰西 | Jié xī | Jesse (name) |
| 杰西・欧文斯 | Jié xī · Ōu wén sī | Jesse Owens (1913-1980), American athlete |
| 杰西卡 | Jié xī kǎ | Jessica (name) |
| 杰西卡・艾尔芭 | Jié xī kǎ · Ài ěr bā | Jessica Alba, American actress |
| 克罗埃西亚 | Kè luó āi xī yà | Croatia; Hrvatska; Republic of Croatia (1991-); also written 克罗地亚 |
| 克西 | kè Xī | xi or ksi (Greek letter Ξξ) |
