Posted in Government & Military, Science YNHA stands for Yakama Nation Housing Authority (Washington) YNHA stands for Yosemite Natural History Association YNHA Share Pinterest Tweet Whatsapp Post navigation YNGZYNHC Leave a Reply Cancel replyYour email address will not be published.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.