FEFF (disambiguation)

U+FEFF is a Unicode character with two meanings:


 * Byte order mark, previously used as zero-width no-break space
 * Word joiner, Unicode character U+2060, a replacement for U+FEFF

FEFF may also refer to:


 * Bangui M'Poko International Airport, an airport in Central African Republic with the airport code FEFF.
 * FEFF (software), a program used in X-ray absorption spectroscopy.