LLF may refer to:

IATA code for Yongzhou Lingling Airport Landmark Legal Foundation Limited Locking Facility Line Loss Factor Lahore Literary Festival, an international literature festival held annually in Lahore, Pakistan Lucknow Literary Festival, an international literature festival held annually in Lucknow, Uttar Pradesh, India Llanfairfechan railway station, Wales; National Rail station code LLF. Load-loss factor Lobster Liberation Front Low-level formatting of computer hard disks. Low Level Flight, a Canadian alternative rock band LoveLikeFire, a San Francisco indie rock band