Posted in Business & Finance, Government & Military, Organizations, Science DTNA stands for Daimler Trucks North America LLC (Portland, Oregon) DTNA stands for Dancing the Night Away (charity foundation) DTNA stands for Directeur Technique National de l’Arbitrage (French: National Technical Director of Arbitration; Senegal) DTNA stands for Desert Tortoise Natural Area (California, USA) DTNA stands for Direction Technique de la Navigation Aérienne (French: Technical Directorate of Air Navigation; various locations)