OLF

Olf or OLF may refer to:


 * Office québécois de la langue française, Canada
 * Ohio LinuxFest, technology conference in the U.S.
 * Ontario Linux Fest, technology conference in Canada
 * Oromo Liberation Front, a nationalist political party in Oromia, Ethiopia.
 * Our Lady of Fatima High School, Aligarh, India
 * Outlying Landing Field, a type of airfield used by the U.S. Navy
 * Olf (unit), odor emission measurement unit
 * Oldfield Park railway station (National Rail station code OLF), Bath, Somerset, UK
 * L. M. Clayton Airport (IATA airport code OLF), Montana, U.S.
 * Norwegian Oil Industry Association
 * Edson Olf (born 1986), Dutch politician