| CDNA | complementary DNA | 互补DNA |
| CDNA | Canadian Daily Newspapers Association | 加拿大日报协会 |
| CDNA | Community and District Nursing Association | 社区和地区护理协会 |
| CDNA | Complementary Deoxyribonucleic Acid | 互补脱氧核糖核酸 |
| CDNA | Copy Deoxyribonucleic Acid | 复制脱氧核糖核酸 |
| CDNA | Context-Dependent Network Agent | 上下文相关网络代理 |
| CDNA | cloned dna | 克隆dna |