Posted in Business & Finance, Government & Military, Health & Medicine, Organizations, Schools & Education DTSU stands for Diplôme de Technicien Supérieur d’Université (French: Higher Technician University Diploma) DTSU stands for Développement du Transport Sanitaire et de l’Urgence (French: Development of Health and Emergency Transport; ambulances) DTSU stands for Douglasdale Trauma Support Unit (South Africa) DTSU stands for Diplôme de Technicien Superieur (French)