Posted in Government & Military DTNM stands for Division des Travaux Neufs et de la Maintenance (French: Division of New Works and Maintenance; Algeria) DTNM stands for Devils Tower National Monument (Wyoming) DTNM Share Pinterest Tweet Whatsapp Post navigation DTNNDTNI Leave a Reply Cancel replyYour email address will not be published. Required fields are marked *Comment * Name * Email * Website Save my name, email, and website in this browser for the next time I comment.