Posted in Government & Military, Pop Culture, Science DM3 stands for Cubic Decimetre DM3 stands for Dye-Matrix 3 (paintball) DM3 stands for Draftsman-Illustrator Third Class (Naval Rating) DM3 Share Pinterest Tweet Whatsapp Post navigation DM-LFFCDM1 Leave a Reply Cancel replyYour email address will not be published.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.