LDF

LDF may refer to:

• Leaders For Democracy Fellows Program
• NAACP Legal Defense and Educational Fund
• Lesotho Defence Force
• Liberian Development Foundation
• Liechtenstein disclosure facility
• Lietuvos Darbo Federacija, the Lithuanian Labour Federation
• Liga Dominicana de Fútbol
• Local Defence Force, former Irish Army Reserve
• Log Database File extension, for Microsoft SQL Server
• Low-density fibreboard or particle board
• London Design Festival, annual UK arts event
• London dispersion force, type of intermolecular force
• Loss development factor in insurance pricing
• LuraDocument Format, a LuraTech proprietary document format
• Legado Del Fantasma, a professional wrestling group
• IRS Aero (IATA code)

Politics

• Left Democratic Front, Kerala
• Left Democratic Front (Maharashtra), India