| 洪山区 | [ hóng shān qū ] Hongshan district of Wuhan city 武漢市|武汉市[Wu3 han4 shi4], Hubei |
| 洪庙村 | [ hóng cūn ] Hongmiao village in Mudan District 牡丹區|牡丹区[Mu3 dan5 Qu1] of Heze City, Shandong |
| 洪水猛兽 | [ hóng shuǐ měng shoù ] lit. severe floods and fierce beasts (idiom), fig. great scourges, extremely dangerous or threatening things |
| 洪江区 | [ hóng jiāng qū ] Hongjiang district of Huaihua city 懷化市|怀化市[Huai2 hua4 shi4], Hunan |
| 洪洞县 | [ hóng tóng xiàn ] Hongtong county in Linfen 臨汾|临汾[Lin2 fen2], Shanxi |
| 洪渊 | [ hóng yuān ] vast and profound |
| 洪涝 | [ hóng laò ] flood, inundation, flooding |
| 洪泽 | [ hóng zé ] Hongze county in Huai'an 淮安[Huai2 an1], Jiangsu |
| 洪泽湖 | [ hóng zé hú ] Hongze Lake in Jiangsu province |
| 洪泽县 | [ hóng zé xiàn ] Hongze county in Huai'an 淮安[Huai2 an1], Jiangsu |
| 洪灾 | [ hóng zaī ] flood |
| 洪炉 | [ hóng lú ] great furnace (metaphor for a place where character is forged) |
| 洪福齐天 | [ hóng fú qí tiān ] flood of good fortune fills the heavens (idiom); a lucky sign |
| 洪门 | [ hóng mén ] see 天地會|天地会[Tian1 di4 hui4] |
| 洪雅县 | [ hóng yǎ xiàn ] Hongya County in Meishan 眉山市[Mei2 shan1 Shi4], Sichuan |
| ⇒ 于洪区 | [ yú hóng qū ] Yuhong District of Shenyang city 瀋陽市|沈阳市[Shen3 yang2 shi4], Liaoning |
| ⇒ 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 |
| ⇒ 射洪县 | [ shè hóng xiàn ] Shehong county in Suining 遂寧|遂宁[Sui4 ning2], Sichuan |
| ⇒ 泗洪县 | [ sì hóng xiàn ] Sihong County in Suqian 宿遷|宿迁[Su4 qian1], Jiangsu |
| ⇒ 泄洪 | [ xiè hóng ] to release flood water, flood discharge |
| ⇒ 泄洪闸 | [ xiè hóng zhá ] sluice-gate, flood discharge valve |
| ⇒ 邓亮洪 | [ dèng liàng hóng ] Tang Liang Hong (opposition candidate in Jan 1996 Singapore elections) |
