LMF

LMF may refer to:


 * Lack of Moral Fibre, RAF World War II designation for air crew unwilling to fly
 * Lamb-Mössbauer factor, in solid-state spectroscopy
 * Lazy Mutha Fucka, a Cantonese hip-hop band from Hong Kong
 * Lexical Markup Framework, the ISO standard for lexicons
 * Licentiate in Medicine and Surgery, a medical degree
 * Linked Media Framework, predecessor of Apache Marmotta
 * Lancaster Music Festival, in Lancaster, Lancashire, UK