| 德尔塔级核潜艇 | dé ěr tǎ jí hé qián tǐng | Delta |  |
| 三角洲 | sān jiǎo zhōu | delta (geography) |  |
| 得尔塔 | děi ěr tǎ | delta (Greek letter Δδ) | |
| 长三角 | Cháng Sān jiǎo | Yangtze River Delta (abbr. for 長江三角洲|长江三角洲[Chang2 jiang1 San1 jiao3 zhou1]) | |
| 珠三角 | Zhū Sān jiǎo | Pearl River Delta | |
| 珠江三角洲 | Zhū jiāng sān jiǎo zhōu | Pearl River Delta (PRD) | |
| 长江三角洲 | Cháng Jiāng Sān jiǎo zhōu | Yangtze River Delta | |
| 泛珠三角 | fàn zhū sān jiǎo | Pan-Pearl River delta / The nine provinces of Southern China around Guangzhou and the Pearl River delta / South China | |
| 良渚 | Liáng zhǔ | Liangzhu (c. 3400-2250 BC), neolithic culture of Changjiang delta | |
| 湄公河三角洲 | Méi gōng hé sān jiǎo zhōu | Mekong River Delta | |
| 伊洛瓦底三角洲 | Yī luò wǎ dǐ sān jiǎo zhōu | Irrawaddy Delta in south Myanmar (Burma) | |
| 汇业财经集团 | Huì yè Cái jīng Jí tuán | Delta Asia Financial Group (Macau) | |
| 汇业银行 | Huì yè Yín háng | Banco Delta Asia S.A.R.L., Macau | |
| 天权 | tiān quán | delta Ursae Majoris in the Big Dipper | |
| 泛珠江三角 | fàn zhū jiāng sān jiǎo | the Pan-Pearl river delta (economic zone including the 5 provinces around Guangzhou and Hong Kong) | |
| 良渚文化 | Liáng zhǔ wén huà | Liangzhu (c. 3400-2250 BC), neolithic culture of Changjiang delta | |
| 长三角经济区 | Cháng Sān jiǎo Jīng jì Qū | Yangtze River Delta Economic Zone (economic region including Shanghai, Zhejiang and Jiangsu) | |
| 长江三角洲经济区 | Cháng jiāng sān jiǎo zhōu jīng jì qū | Yangtze River Delta Economic Zone (economic region including Shanghai, Zhejiang and Jiangsu) | |
| 达美航空 | dá měi háng kōng | Delta Air Lines, Inc., airline headquartered in Atlanta, Georgia | |
| 虎门 | Hǔ mén | the Bocca Tigris, a narrow strait in the Pearl River Delta, Guangdong / Humen Town 虎門鎮|虎门镇[Hu3 men2 Zhen4] | |
| 德尔塔社会变革协会 | | Association Delta pour la transformation sociale | |
| Delta运载火箭 | | Delta launch vehicle | |
| 阿富汗－伊朗赫尔曼德河叁角洲委员会 | | Helmand River Delta Commission, Afghanistan and Iran | |
| 多瑙河叁角洲生物圈保护区 | | Danube Delta Biosphere Reservation | |
| 尼日尔河叁角洲联合能源开发安全战略 | | United Niger Delta Energy Development Security Strategy | |
| 尼日尔叁角洲环境、人权和发展项目 | | Niger Delta Project for Environment, Human Rights and Development | |
| 尼日尔叁角洲解放运动 | | Movement for the Emancipation of the Niger Delta | |
| 伊洛瓦底江叁角洲 | | Ayeyarwady delta | |
| 宽带叁角环路天线 | | broadband delta loops antenna | |
