| 红尘 | hóng chén | the world of mortals (Buddhism); human society; worldly affairs |
| 红墨水 | hóng mò shuǐ | red ink |
| 红外 | hóng wài | infrared (ray) |
| 红外光谱 | hóng wài guāng pǔ | infrared spectrum |
| 红外线导引飞弹 | hóng wài xiàn dǎo yǐn fēi dàn | infrared guided missile |
| 红妆 | hóng zhuāng | splendid gay female clothing |
| 红姑娘 | hóng gū niang | Chinese lantern plant; winter cherry; strawberry ground-cherry; Physalis alkekengi |
| 红娘 | hóng niáng | matchmaker |
| 红孩症 | hóng hái zhèng | kwashiorkor (a form of malnutrition) |
| 红学 | Hóng xué | "Redology", academic field devoted to the study of A Dream of Red Mansions |
| 红安 | Hóng ān | Hong'an county in Huanggang 黄冈, Hubei |
| 红安县 | Hóng ān xiàn | Hong'an county in Huanggang 黄冈, Hubei |
| 红寡妇鸟 | Hóng Guǎ fu niǎo | Red Bishop; Euplectes orix |
| 红宝石 | hóng bǎo shí | ruby |
| 红寺堡 | Hóng sì bǎo | Hongsibao district of Wuzhong city 吴忠市, Ningxia |
| 红寺堡区 | Hóng sì bǎo qū | Hongsibao district of Wuzhong city 吴忠市, Ningxia |
| 红寺堡镇 | Hóng sì bǎo zhèn | Hongsibao district of Wuzhong city 吴忠市, Ningxia |
| 红山 | hóng shān | Hongshan district of Chifeng city 赤峰市, Inner Mongolia |
| 红山区 | Hóng shān qū | Hongshan district of Chifeng city 赤峰市, Inner Mongolia |
| 红岗 | Hóng gǎng | Honggang district of Daqing city 大庆, Heilongjiang |
| 红岗区 | Hóng gǎng qū | Honggang district of Daqing city 大庆, Heilongjiang |
| 红巨星 | hóng jù xīng | red giant (star) |
| 红巾军 | hóng jīn jūn | the Red Turbans, peasant rebellion at the end of the Yuan dynasty |
| 红彤彤 | hóng tōng tōng | bright red |
| 红扑扑 | hóng pū pū | red; rosy; flushed |
| 红斑 | hóng bān | erythema (pathol.); rash in red patches |
| 红斑性狼疮 | hóng bān xìng láng chuāng | lupus erythematosus |
| 红新月 | Hóng xīn yuè | Red Crescent |
| 红旗区 | Hóng qí qū | Red flag city district; Hongqi district of Xinxiang city 新乡市, Henan |
| 红日 | hóng rì | sun |
| 红星区 | Hóng xīng qū | Hongxing district of Yichun city 伊春市, Heilongjiang |
| 红晕 | hóng yùn | to blush; to flush red |
| 红杏出墙 | hóng xìng chū qiáng | lit. the red apricot tree leans over the garden wall; a wife having an illicit lover (idiom) |
| 红桃 | hóng táo | heart ♥ (in card games) |
| 红枣 | hóng zǎo | dates; jujube |
| 红桤树 | hóng qī shù | red alder (Alnus rubra) |
| 红桥 | Hóng qiáo | Hongqiao district of Tianjin municipality 天津市 |
| 红桥区 | Hóng qiáo qū | Hongqiao district of Tianjin municipality 天津市 |
| 红橙 | hóng chéng | blood orange |
| 红橙黄绿蓝靛紫 | hóng chéng huáng lǜ lán diàn zǐ | red, orange, yellow, green, blue, indigo, violet; Colors of the rainbow |
| 红毛丹 | hóng máo dān | rambutan or rumbutan (tropical fruit) (Nephelium lappaceum) |
| 红毯 | hóng tǎn | red carpet |
红河哈尼族彝族自
治州 | Hóng hé Hā ní zú Yí zú zì zhì zhōu | Honghe Hani and Yi autonomous prefecture in Yunnan 云南 |
| 红河州 | Hóng hé zhōu | Honghe Hani and Yi autonomous prefecture in Yunnan 云南 |
| 红河县 | Hóng hé xiàn | Honghe county in Honghe Hani and Yi autonomous prefecture, Yunnan |
| 红泥月亮 | Hóng ní yuè liang | Honeymoon |
| 红火蚁 | hóng huǒ yǐ | fire ant (Solenopsis invicta), an introduced species in China |
| 红熊猫 | hóng xióng māo | lesser Panda; red panda; firefox |
| 红灯 | hóng dēng | red light |
| 红灯区 | hóng dēng qū | red light district |
