D/O Topics referred to by the same term From Wikipedia, the free encyclopedia D/O may refer to: Daughter of Delivery order Disorder (medicine) Look up d/o in Wiktionary, the free dictionary. See also All pages with titles containing D/O Do (disambiguation) This disambiguation page lists articles associated with the title D/O.If an internal link incorrectly led you here, you may wish to change the link to point directly to the intended article. Related Articles