Posted in Business & Finance, Internet Slang, Organizations, Schools & Education YEF stands for Youth, Education and Families (institute; National League of Cities; Washington, DC) YEF stands for Young Entrepreneur Foundation (National Federation of Independent Business) YEF stands for Year-End Forecast (various organizations) YEF stands for Yorkshire Enterprise Fellowship (business development; UK) YEF stands for Youth Evangelism Fund (UK) YEF stands for Young European Federalists