Posted in Government & Military, Health & Medicine YNSA stands for Yamamoto New Scalp Acupuncture YNSA stands for Seaman Apprentice, Yeoman Striker (Naval Rating) YNSA Share Pinterest Tweet Whatsapp Post navigation YNSNYNS Leave a Reply Cancel replyYour email address will not be published.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.