LDC may refer to:
- Lady Doak College, in India
- Lambert Dodard Chancereul, the largest poultry meat group in Europe
- Landlocked Developing Countries
- Law Development Centre, a Ugandan law school
- Leaders' Debates Commission
- Least developed countries
- Less developed country, or developing country
- Leonardo DiCaprio
- Linguistic Data Consortium
- Lloyds Development Capital, a private equity house
- LLVM D Compiler, a D programming language compiler
- Local distribution company
- Locally decodable code, an error correction code
- Load duration curve, in electric power generation
- London Dumping Convention
- Louis Dreyfus Company, a global merchant firm.
- Louisiana Department of Corrections, now Louisiana Department of Public Safety & Corrections
- Lysine decarboxylase
- Legoland Discovery Centre