| 洪 | hóng | flood; big; great; surname Hong |
| 洪水 | hóng shuǐ | deluge; flood |
| 洪秀全 | Hóng Xiù quán | Hong Xiuquan or Hung Hsiu-ch'üan (1812-1864), leader of the Taiping rebellion or Taiping Heavenly Kingdom |
| 洪武 | Hóng Wǔ | Hongwu Emperor, also written Hung-wu Ti, reign name of first Ming emperor Zhu Yuanzhang 朱元璋 (1328-1398), reigned 1386-1398, Temple name 明太祖 |
| 防洪 | fáng hóng | flood control; flood prevention |
| 洪流 | hóng liú | a powerful current; a flood (often fig., e.g. a flood of ideas) |
| 洪湖 | Hóng hú | Honghu county level city in Jingzhou 荆州, Hubei |
| 洪亮 | hóng liàng | resonant; ringing |
| 山洪 | shān hóng | mountain flash flood; mountain torrent |
| 洪都拉斯 | Hóng dū lā sī | Honduras |
| 洪泽湖 | Hóng zé hú | Hongze lake in Jiangsu province |
| 于洪 | Yú hóng | Yuhong district of Shenyang city 沈阳市, Liaoning |
| 于洪区 | Yú hóng qū | Yuhong district of Shenyang city 沈阳市, Liaoning |
| 分洪 | fēn hóng | to separate flood; flood defense |
| 宽洪 | kuān hóng | magnanimous; generous; broad-minded; wide; resonant (voice) |
| 宽洪大度 | kuān hóng dà dù | magnanimous; generous; broad-minded |
| 宽洪大量 | kuān hóng dà liàng | magnanimous; generous; broad-minded |
| 射洪 | Shè hóng | Shehong county in Suining 遂宁, Sichuan |
| 射洪县 | Shè hóng xiàn | Shehong county in Suining 遂宁, Sichuan |
| 希洪 | Xī hóng | Gijón (Asturian: Xixón), city in northwest Spain on the bay of Biscay |
我们死后将会洪水
滔天 | wǒ men sǐ hòu jiāng huì hóng shuǐ tāo tiān | Après nous, le Déluge; after us, the deluge |
| 排洪 | pái hóng | to drain flood-water |
| 景洪 | Jǐng hóng | Jinghong county level city in Xishuangbanna Dai autonomous prefecture 西双版纳傣族自治州, Yunnan |
| 景洪市 | Jǐng hóng shì | Jinghong county level city in Xishuangbanna Dai autonomous prefecture 西双版纳傣族自治州, Yunnan |
| 暴洪 | bào hóng | a sudden; violent flood; flash flood |
| 李洪志 | Lǐ Hóng zhì | Li Hongzhi, founder of the Falunggong 法轮功 spiritual movement |
| 泗洪 | Sì hóng | Sihong county in Suqian 宿迁, Jiangsu |
| 泗洪县 | Sì hóng xiàn | Sihong county in Suqian 宿迁, Jiangsu |
| 泄洪 | xiè hóng | to release flood water; flood discharge |
| 泄洪闸 | xiè hóng zhá | sluice-gate; flood discharge valve |
| 洪亮吉 | Hóng Liàng jí | Hong Liangji (1746-1809), poet and historian |
| 洪佛 | Hóng Fó | Hung Fut style kung fu |
| 洪博培 | Hóng Bó péi | Jon Huntsman, Jr. (1960-) Governor of Utah from 2005 to 2009, US Ambassador to China since August 2009 |
| 洪堡 | Hóng bǎo | Humboldt |
| 洪家 | Hóng Jiā | the Hong family (household); Hung Gar Kung Fu - Martial Art |
| 洪山 | Hóng shān | Hongshan district of Wuhan city 武汉市, Hubei |
| 洪山区 | Hóng shān qū | Hongshan district of Wuhan city 武汉市, Hubei |
| 洪庙村 | Hóng miào cūn | Hongmiao village in Mudan 牡丹区 district of Heze city, Shandong |
| 洪森 | hóng sēn | Hun Sen (Cambodian leader) |
| 洪水期 | hóng shuǐ qī | flood season |
| 洪水滔滔 | hóng shuǐ tāo tāo | widespread flooding (idiom) |
| 洪汛期 | hóng xùn qī | flood season |
| 洪江 | Hóng jiāng | Hongjiang county level city in Huaihua 怀化, Hunan; Hongjiang district of Huaihua city 怀化市, Hunan |
| 洪江区 | Hóng jiāng qū | Hongjiang district of Huaihua city 怀化市, Hunan |
| 洪江市 | Hóng jiāng shì | Hongjiang county level city in Huaihua 怀化, Hunan |
| 洪洞 | Hóng tóng | Hongtong county in Linfen 临汾, Shanxi |
| 洪洞县 | Hóng tóng xiàn | Hongtong county in Linfen 临汾, Shanxi |
| 洪渊 | hóng yuān | vast and profound |
| 洪湖市 | Hóng hú shì | Honghu county level city in Jingzhou 荆州, Hubei |
| 洪涝 | hóng lào | flood; inundation; flooding |
