| 里约热内卢 | Lǐ yuē rè nèi lú | Rio de Janeiro |
| 内情 | nèi qíng | inside story; inside information |
| 内衣 | nèi yī | undergarment; underwear; CL:件 |
| 分内 | fèn nèi | one's job or duty; within one's remit |
| 内分泌腺 | nèi fēn mì xiàn | endocrine gland; gland producing internal secretion, e.g. hormone |
| 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 |
| 皇族内阁 | Huáng zú nèi gé | Qing emergency cabinet set up in May 1911 to confront the Xinhai rebels |
| 内涝 | nèi lào | waterlogged |
| 丁内酯 | dīng nèi zhǐ | butyrolactone |
| 以马内利 | yǐ mǎ nèi lì | Emanuel |
| 任内 | rèn nèi | period in office |
| 企业内网路 | qǐ yè nèi wǎng lù | intranet; company-internal network |
| 光面内质网 | guāng miàn nèi zhì wǎng | smooth endoplasmic reticulum |
| 内丘 | Nèi qiū | Neiqiu county in Xingtai 邢台, Hebei |
| 内丘县 | Nèi qiū xiàn | Neiqiu county in Xingtai 邢台, Hebei |
| 内丹 | nèi dān | Taoist internal alchemy |
| 内兄 | nèi xiōng | wife's older brother |
| 内八字脚 | nèi bā zì jiǎo | intoeing; pigeon toes; knock-knees |
| 内出血 | nèi chū xuè | internal bleeding; internal hemorrhage |
| 内切球 | nèi qiē qiú | inside cut (golf) |
| 内化 | nèi huà | internalization; to internalize |
| 内卡河 | Nèi kǎ hé | Neckar river in Germany |
| 内参 | nèi cān | internal reference (within the same publication) |
| 内向 | nèi xiàng | inward-looking; introvert; introverted (personality); domestic-oriented (economy) |
| 内含体 | nèi hán tǐ | inclusion bodies |
| 内在几何 | nèi zài jǐ hé | intrinsic geometry |
| 内在几何学 | nèi zài jǐ hé xué | intrinsic geometry |
| 内在坐标 | nèi zài zuò biāo | intrinsic coordinates (geometry) |
| 内在的 | nèi zài de | inner; internal |
| 内城 | nèi chéng | inner castle; donjon |
| 内埔 | Nèi bù | Neipu township in Pingtung county 屏东县, Taiwan |
| 内埔乡 | Nèi bù xiāng | Neipu township in Pingtung county 屏东县, Taiwan |
| 内塔尼亚胡 | Nèi tǎ ní yà hú | Netanyahu (name); Benjamin Netanyahu (1949-), Israeli Likud politician, prime minister 1996-1999 and from 2009 |
| 内定 | nèi dìng | decision to appoint an official that is kept secret among the hierarchy |
| 内容管理系统 | nèi róng guǎn lǐ xì tǒng | Content Management System (CMS) (Internet) |
| 内层 | nèi céng | internal layer |
| 内布拉斯加 | Nèi bù lā sī jiā | Nebraska, US state |
| 内布拉斯加州 | Nèi bù lā sī jiā zhōu | Nebraska, US state |
| 内幕交易 | nèi mù jiāo yì | insider trading; insider dealing |
| 内弟 | nèi dì | wife's younger brother |
| 内径 | nèi jìng | internal diameter |
| 内忧外困 | nèi yōu wài kùn | internal trouble and outside aggression (idiom); in a mess both domestically and abroad |
| 内忧外患 | nèi yōu wài huàn | internal trouble and outside aggression (idiom); in a mess both domestically and abroad |
| 内政部 | nèi zhèng bù | Ministry of the Interior |
| 内政部警政署 | Nèi zhèng bù Jǐng zhèng shǔ | National Police Agency (Taiwan) |
| 内政部长 | nèi zhèng bù zhǎng | Minister of the Interior |
| 内核 | nèi hé | kernel (computer science) |
| 内比都 | Nèi bǐ dū | Naypyidaw or Nay Pyi Taw, jungle capital of Myanmar (Burma) since November 2005, 300 km north of Rangoon and 300 km south of Mandalay; formerly called Pyinmana 彬马那 |
| 内江 | Nèi jiāng | Neijiang prefecture level city in Sichuan |
| 内江地区 | Nèi jiāng dì qū | Neijiang prefecture in Sichuan |
