Posted in Aviation, Business & Finance, Government & Military YYT stands for Ying Yang Twins (music artists) YYT stands for St Johns, Newfoundland, Canada – St John’s International (Airport Code) YYT stands for Yum Yum Thai (US and UK) YYT Share Pinterest Tweet Whatsapp Post navigation YYJYYSW Leave a Reply Cancel replyYour email address will not be published.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.