MUF Views 11 meanings found MUF is a term used in radio communications for maximum or minimum usable frequency, in government reports for materials unaccounted for, and occasionally in sports clubs or software access control. Community Morristown Unitarian Fellowship Governmental Minimum Usable Frequency Materials Unaccounted For Academic & Science Maximum Usable Frequency Mysterious Unknown Force Regional Muting, Indonesia Computing Multi-User Forth Micro-Unit Frame Alpha Software, Inc., Alpha Five Temporary Access Control Fi Business Muniholdings Florida Insured Fund II Sports Manly Ultimate Frisbee