Posted in Business & Finance, Information Technology, Internet Slang DION stands for Development Indian Ocean Network (Vacoas-Phoenix, Mauritius) DION stands for DDI Integrated Open Network (telecommunications; Japan) DION stands for Delete It Or Not DION Share Pinterest Tweet Whatsapp Post navigation ACLNCACLN Leave a Reply Cancel replyYour email address will not be published.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.