| 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 |
| 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 |
| 洪都拉斯 | Hóng dū lā sī | Honduras |
| 洪泽湖 | Hóng zé hú | Hongze lake in Jiangsu province |
| 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 |
| 洪泽 | Hóng zé | Hongze county in Huai'an 淮安, Jiangsu |
| 洪泽县 | Hóng zé xiàn | Hongze county in Huai'an 淮安, Jiangsu |
| 洪灾 | hóng zāi | flood |
| 洪熙 | Hóng Xī | Hongxi Emperor, reign name of fourth Ming emperor Zhu Gaochi 朱高炽 (1378-1425), reigned (1424-1425), Temple name 明仁宗 |
| 洪福齐天 | hóng fú qí tiān | flood of good fortune fills the heavens (idiom); a lucky sign |
| 洪雅 | Hóng yǎ | Hongya county in Meishan 眉山, Sichuan |
| 洪雅族 | Hóng yǎ zú | Hoanya, one of the indigenous peoples of Taiwan |
| 洪雅县 | Hóng yǎ xiàn | Hongya county in Meishan 眉山, Sichuan |
