Posted in Information Technology, Schools & Education YSDN stands for Yahoo! Search Developer Network YSDN stands for York/Sheridan Design YSDN stands for York/Sheridan Program in Design (Canada) YSDN Share Pinterest Tweet Whatsapp Post navigation YSDPYSDI Leave a Reply Cancel replyYour email address will not be published.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.