| 刘海 | liú hǎi | bangs or fringes of hair |
| 加来海峡 | Jiā lái hǎi xiá | Strait of Calais in the English channel; Strait of Dover; Pas-de-Calais, département of France |
| 加拿大皇家海军 | Jiā ná dà Huáng jiā hǎi jūn | Royal Canadian Navy RCN |
| 加里肋亚海 | Jiā lǐ lèi yà Hǎi | Sea of Galilee (Palestine) |
| 勃海 | Bó hǎi | Han dynasty province around the Bohai sea; renamed 渤海 after the Han |
| 勐海 | Měng hǎi | Menghai county in Xishuangbanna Dai autonomous prefecture 西双版纳傣族自治州, Yunnan |
| 勐海县 | Měng hǎi xiàn | Menghai county in Xishuangbanna Dai autonomous prefecture 西双版纳傣族自治州, Yunnan |
| 北海市 | Běi hǎi shì | Beihai prefecture level city and seaport in Guangxi |
| 北海舰队 | Běi hǎi Jiàn duì | North Sea Fleet |
| 半岛和东方航海 | Bàn dǎo hé dōng fāng háng hǎi | P&O; Peninsula and Oriental shipping company |
| 南海区 | Nán hǎi qū | Nanhai district of Foshan city 佛山市, Guangdong |
| 南海舰队 | Nán hǎi Jiàn duì | South Sea Fleet |
| 古根海姆 | Gǔ gēn hǎi mǔ | Guggenheim (name) |
| 可可托海 | Kě kě tuō hǎi | Keketuohai town in Fuyun county 富蕴县, Altay prefecture, Xinjiang |
| 可可托海镇 | Kě kě tuō hǎi zhèn | Keketuohai town in Fuyun county 富蕴县, Altay prefecture, Xinjiang |
| 台湾海峡 | Tái wān Hǎi xiá | Taiwan Strait |
| 吕塞尔斯海姆 | Lǚ sāi ěr sī hǎi mǔ | Rüsselsheim, city in Germany |
| 唐海 | Táng hǎi | Tanghai county in Tangshan 唐山, Hebei |
| 唐海县 | Táng hǎi xiàn | Tanghai county in Tangshan 唐山, Hebei |
| 四海升平 | sì hǎi shēng píng | lit. all four oceans are peaceful; worldwide peace (idiom) |
| 四海为家 | sì hǎi wéi jiā | to regard the four corners of the world all as home (idiom); to feel at home anywhere; to roam about unconstrained; to consider the entire country, or world, to be one's own |
| 四海皆准 | sì hǎi jiē zhǔn | appropriate to any place and any time (idiom); universally applicable; a panacea |
| 四海飘零 | sì hǎi piāo líng | drifting aimlessly all over the place (idiom) |
| 国家海洋局 | guó jiā hǎi yáng jú | State Oceanic Administration (PRC) |
| 国际海事组织 | Guó jì Hǎi shì Zǔ zhī | International Maritime Organization |
| 地中海形贫血 | dì zhōng hǎi xíng pín xuè | thalassemia; Mediterranean anemia |
| 地中海贫血 | dì zhōng hǎi pín xuè | thalassemia (medicine) |
| 坎塔布连海 | Kǎn tǎ bù lián hǎi | Bay of Biscay (Spanish: Mare Cantabrico) |
| 填海 | tián hǎi | land reclamation |
| 坠海 | zhuì hǎi | to fall into the ocean; to crash into the ocean |
| 墨西拿海峡 | Mò xī ná hǎi xiá | strait of Messina between Calabria and Sicily |
| 大海捞针 | dà hǎi lāo zhēn | lit. to fish a needle from the sea; to find a needle in a haystack (idiom) |
| 大海沟 | dà hǎi gōu | marine trench |
| 天涯海角 | tiān yá hǎi jiǎo | the ends of the earth; separated worlds apart; Cape Haijiao in Sanya 三亚, Hainan |
| 奥特朗托海峡 | Ào tè lǎng tuō hǎi xiá | strait of Otranto between the heel of Italy and Albania |
| 威海市 | Wēi hǎi shì | Weihai prefecture level city in Shandong |
| 威海卫 | Wēi hǎi wèi | Weihaiwei, late Qing naval port in Weihai 威海, Shandong |
| 孙继海 | Sūn Jì hǎi | Sun Jihai (1977-), Chinese footballer, played for Manchester City |
| 学海泛舟 | xué hǎi fàn zhōu | sailing on the sea of learning (idiom) |
| 学海无涯 | xué hǎi wú yá | sea of learning, no horizon (idiom); no limits to what one still has to learn; ars longa, vita brevis |
| 孽海花 | Niè hǎi huā | Flower in the sea of evil, late Qing novel of denunciation by Jin Tianhe 金天翮 |
| 安・海瑟薇 | Ān · Hǎi sè wēi | see 安妮・海瑟薇[An1 ni2 · Hai3 se4 wei1] |
| 安妮・海瑟薇 | Ān ní · Hǎi sè wēi | Anne Hathaway (1982-), American actress |
| 安德海 | Ān Dé hǎi | An Dehai (-1869), the Qing equivalent of Rasputin, all-powerful court eunuch with the dowager empress Cixi 慈禧太后, executed in 1869 by her rival Empress Mother Empress Dowager Ci'an 慈安皇太后 |
| 安达曼海 | Ān dá màn Hǎi | the Andaman sea |
| 定海区 | Dìng hǎi qū | Dinghai district of Zhoushan city 舟山市, Zhejiang |
| 宦海 | huàn hǎi | officialdom; bureaucracy |
| 宦海风波 | huàn hǎi fēng bō | lit. raging sea of bureaucracy; officials causing a big fuss |
| 宁海 | Níng hǎi | Ninghai county in Ningbo 宁波, Zhejiang |
| 宁海县 | Níng hǎi xiàn | Ninghai county in Ningbo 宁波, Zhejiang |
