- DRNA stands for Departamento de Recursos Naturales y Ambientales (Spanish: Department of Natural Resources and Environment; Puerto Rico)
- DRNA stands for Dolomites Research Notes on Approximation
- DRNA stands for Dental Recycling of North America
- DRNA stands for Delaware River Neighborhood Alliance (Philadelphia, PA)
- DRNA stands for Dachshund Rescue North America
- DRNA stands for Degree Requirement, Not in Average
- DRNA stands for Double Stranded Ribonucleic Acid
DRNA