| CHN | China | 中国 |
| CHN | carbon,hydrogen,nitrogen | 碳、氢、氮 |
| CHN | central hemorrhagic necrosis | 中央出血性坏死 |
| CHN | child neurology | 儿童神经学 |
| CHN | Center for Human Nutrition | 人类营养中心 |
| CHN | Cleveland Housing Network | 克利夫兰住房网 |
| CHN | Card Holders Name | 持卡人姓名 |
| CHN | Chinook jargon | 奇努克语 |
| CHN | Connecticut Homeschool Network | 康涅狄格州家庭学校网络 |
| CHN | Chicago National League (baseball) | 芝加哥国家联盟（棒球） |
| CHN | Christian Homeschool Network of Washington (Kent, WA; also seen as CHNOW) | 华盛顿基督教家庭学校网络（Kent，WA；也称为CHNOW） |
| CHN | Children's Hunger Network | 儿童饥饿的网络 |
| CHN | Community Health Nurse | 社区卫生护士 |
| CHN | Coalition on Human Needs | 人类需求联盟 |
| CHN | Certified Hemodialysis Nurse (Board of Nephrology Examiners, Inc. Nursing and Technology) | 注册血液透析护士（肾脏病检查委员会，护理与技术） |
| CHN | Ethnograph 3 Data | 民族志3数据 |
| CHN | Canadian Health Network | 加拿大卫生网络 |
| CHN | Congenital Hypomyelinating Neuropathy | 先天性髓鞘发育不良神经病 |
| CHN | Banco de CrÉdito Hipotecario Nacional (Guatemala) | Banco de CrÉdito Hipotecario Nacional (Guatemala) |
| CHN | Cancer Hope Network | 癌症希望网络 |
| CHN | China Fund, Inc. | 中国基金股份有限公司。 |
| CHN | circumscribed hepatic necrosis | 局限性肝坏死 |
| CHN | Colorado Health Networks | 科罗拉多州健康网络 |
| CHN | Chonju, Republic Of Korea | 大韩民国全州 |
| CHN | California Homeschool Network | 加州家庭学校网络 |
| CHN | Carbon, Hydrogen, Nitrogen | 碳、氢、氮 |