| 九 | jiǔ | nine; 9 |
| 九江 | Jiǔ jiāng | Jiujiang prefecture level city in Jiangxi; also Jiujiang county |
| 九月 | jiǔ yuè | September; ninth month (of the lunar year) |
| 九州 | Jiǔ zhōu | division of China during earliest dynasties; fig. ancient China; Kyūshū, southernmost of Japan's four major islands |
| 九龙 | Jiǔ lóng | Kowloon district of Hong Kong |
| 九成 | jiǔ chéng | nine-tenths; ninety percent |
| 九章算术 | Jiǔ zhāng Suàn shù | The Nine Chapters on the Mathematical Art |
| 九泉 | jiǔ quán | the nine springs; the underworld of Chinese mythology; Hades |
| 九卿 | jiǔ qīng | the Nine Ministers (in imperial China) |
| 九一八事变 | jiǔ yī bā shì biàn | the Mukden or Manchurian railway incident of 18th September 1931 used by the Japanese as a pretext to annex Manchuria; also known as Liutiaogou incident 柳条沟事变 |
| 九三学社 | jiǔ sān xué shè | Jiusan Society |
| 九九乘法表 | jiǔ jiǔ chéng fǎ biǎo | multiplication table |
| 九九重阳 | Jiǔ jiǔ chóng yáng | Double Ninth or Yang Festival; 9th day of 9th lunar month |
| 九分之一 | jiǔ fēn zhī yī | one ninth |
| 九十 | jiǔ shí | ninety |
| 九原区 | Jiǔ yuán qū | Jiuyuan district of Baotou city 包头市, Inner Mongolia |
| 九台 | Jiǔ tái | Jiutai county level city in Changchun 长春, Jilin |
| 九台市 | Jiǔ tái shì | Jiutai county level city in Changchun 长春, Jilin |
| 九如 | Jiǔ rú | Chiuju township in Pingtung county 屏东县, Taiwan |
| 九如乡 | Jiǔ rú xiāng | Chiuju township in Pingtung county 屏东县, Taiwan |
| 九官鸟 | jiǔ guān niǎo | hill myna; Indian grackle; Gracula religiosa |
| 九宫山 | Jiǔ gōng shān | Jiugongshan nature reserve in Tongshan county, Xianning prefecture 咸宁, Hubei |
| 九宫山镇 | Jiǔ gōng shān zhèn | Jiugongshan town in Tongshan county, Xianning prefecture 咸宁, Hubei |
| 九宫格数独 | jiǔ gōng gé shù dú | sudoku (Japanese: sū doku) |
| 九寨沟 | Jiǔ zhài gōu | Jiuzhaigou Valley, Sichuan; Jiuzhaigou county, Sichuan |
| 九寨沟县 | Jiǔ zhài gōu xiàn | Jiuzhaigou county, Sichuan |
| 九寨沟风景名胜区 | Jiǔ zhài gōu Fēng jǐng míng shèng qū | Jiuzhaigou Valley Scenic and Historical Interest Area, Sichuan |
| 九尾龟 | jiǔ wěi guī | nine-tailed turtle of mythology; The Nine-tailed Turtle, novel by late Qing novelist Zhang Chunfan 张春帆 |
| 九层塔 | jiǔ céng tǎ | basil |
| 九嶷山 | Jiǔ yí shān | Jiuyi mountain range in Hunan on the border with Guangdong |
| 九巴 | jiǔ bā | Kowloon Motor Bus Company KMB |
| 九折 | jiǔ zhé | 10% off (price) |
九月九日忆山东兄
弟 | jiǔ yuè jiǔ rì yì Shān dōng xiōng dì | Remembering my brothers in faraway Shandong on the double ninth festival (poem by Tang Wang Wei's 王维) |
| 九月份 | jiǔ yuè fèn | September; ninth month |
| 九死一生 | jiǔ sǐ yī shēng | nine deaths and still alive (idiom); a narrow escape; new lease of life |
| 九江地区 | Jiǔ jiāng dì qū | Jiujiang prefecture in Jiangxi |
| 九江市 | Jiǔ jiāng shì | Jiujiang prefecture level city in Jiangxi |
| 九江县 | Jiǔ jiāng xiàn | Jiujiang county in Jiujiang 九江, Jiangxi |
| 九流 | jiǔ liú | Nine Schools of Thought, philosophical schools of the Spring and Autumn and Warring States Periods (770-220BC), viz Confucians 儒家, Daoists 道家, Yin and Yang 阴阳家, Legalists 法家, Logicians 名家, Mohists 墨家, Diplomats 纵横家, Miscellaneous 杂家, and Agriculturalists 农家 |
| 九渊 | jiǔ yuān | abyss; deep chasm |
| 九牛一毛 | jiǔ niú yī máo | lit. one hair from nine oxen (idiom); fig. a drop in the ocean |
| 九牛二虎之力 | jiǔ niú èr hǔ zhī lì | tremendous strength (idiom) |
| 九声六调 | jiǔ shēng liù diào | nine tones and six modes (tonal system of Cantonese and other southern languages) |
| 九华山 | Jiǔ huá shān | Mt Jiuhua in Anhui, one of the Four Sacred Mountains and Bodhimanda of Kṣitigarbha 地藏 |
| 九号球 | jiǔ hào qiú | nine-ball (billiards game) |
| 九边形 | jiǔ biān xíng | nonagon |
| 九里 | Jiǔ lǐ | Liuli district of Xuzhou city 徐州市, Jiangsu |
| 九里区 | Jiǔ lǐ qū | Liuli district of Xuzhou city 徐州市, Jiangsu |
| 九重霄 | jiǔ chóng xiāo | ninth heaven; Highest Heaven |
| 九零后 | jiǔ líng hòu | 90s generation |
