LNF (disambiguation)

LNF may refer to:
 * LNF, a vehicle engine model
 * Laboratori Nazionali di Frascati, a nuclear physics research institute in Frascati, Italy
 * Lassen National Forest, a United States national forest
 * Leon's, the TSX code LNF
 * Liga Nacional de Futsal, the premier futsal league in Brazil
 * Liga Nacional de Fútbol de Puerto Rico, the first division association football league of Puerto Rico
 * Luria Scientific Foundation, an organization focused on cognitive neuroscience and neuropsychology