Posted in Government & Military, Organizations, Pop Culture, Science YTF stands for YouTube Friends YTF stands for Yesterday, Today, Forever YTF stands for Youth for Technology Foundation (US and Nigeria) YTF stands for Youth Task Force (various locations) YTF stands for YiG (Yttrium-Iron Garnet) Tuned Filter (microwave filter) YTF stands for Young Teen Fiction (Staffordshire Book Award)