LDP may mean:
- Kommando LDP, or Land Defence Pistol, a Rhodesian-made submachine gun based on the design of the Israeli Uzi
- Liberal Democratic Party (disambiguation)
- Laban ng Demokratikong Pilipino, a political party in the Philippines
- Label Distribution Protocol, a routing protocol used in Multiprotocol Label Switching networks
- Large deviation principle, the rate function in mathematics
- Lingwa de Planeta, a conlang mentioned in Worldlang
- Laserdisc player
- Laser Drillable Prepreg, printed circuit board material
- Lebanese Democratic Party
- League for Democracy Party, a political party in Cambodia
- Damansara-Puchong Expressway or Lebuhraya Damansara-Puchong (LDP), an expressway in Malaysia
- Loan deficiency payments are a U.S. agriculture policy farm income support program.
- Linux Documentation Project
- Local Development Plan, a form of town and country planning document in Wales
- Long day plant
- Long-distance footpaths in the UK (long distance paths)
- Long Distance (Skateboard) Pumping
- Lou Diamond Phillips, actor
- Lyrically Deranged Poets, a hiphop group in the Philippines
- Loja do Pai, is a portal that combines five solutions, Bux, Quick_Ads, Forum, Shop and Chat