LD may refer to:
The Low-Density Lipoprotein (LDL) Receptor (LDL-R) is a mosaic protein of 839 amino acids (after removal of 21-amino acid signal peptide) that mediates the endocytosis of cholesterol-rich LDL.
LDS or Mormon cinema (informally Mollywood, a portmanteau of Molly Mormon and Hollywood) usually refers to films with themes relevant to members of The Church of Jesus Christ of Latter-day Saints.
The Conference Center, located in Salt Lake City, Utah, is the premier meeting hall for The Church of Jesus Christ of Latter-day Saints (LDS Church).
LDV Group Limited, formerly Leyland DAF Vans, was a British van manufacturer, based in the Ward End area of Birmingham.
LDS fiction (or Mormon fiction) is an American niche market of fiction novels featuring themes related to The Church of Jesus Christ of Latter-day Saints (the LDS Church, see also "Mormon").
The LDS edition of the Bible is a version of the Bible published by The Church of Jesus Christ of Latter-day Saints (LDS Church) in English, Spanish and Portuguese.
LDN Noise is a songwriting and record producing duo, consisting of members Greg Bonnick and Hayden Chapman, currently based in London, United Kingdom.
The Maxus is a van model, originally produced by LDV Limited. It was launched in late 2004. The model was jointly developed by LDV and Daewoo Motor, prior to Daewoo entering receivership in 2000, in a five-year, £500 million development programme.