Posted in Pop Culture, Schools & Education YNI stands for Yoshi’s New Island (game) YNI stands for Yosemite National Institutes YNI Share Pinterest Tweet Whatsapp Post navigation YNJCYNHTI Leave a Reply Cancel replyYour email address will not be published.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.