Posted in Business & Finance, Government & Military YASI stands for Youth Assessment and Screening Instrument (juvenile offenders) YASI stands for Yamaha Artist Services, Inc. (New York, NY) YASI stands for Yugoslav Antispam Initiative YASI Share Pinterest Tweet Whatsapp Post navigation YASIDYASH Leave a Reply Cancel replyYour email address will not be published.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.