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.
The LDV Convoy is a light commercial van that was manufactured by LDV Limited between 1996 and 2006.
LDV Group Limited, formerly Leyland DAF Vans, was an English van manufacturer based in Washwood Heath, Birmingham.
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.
LDH JAPAN Inc. (株式会社LDH JAPAN) is a Japanese management and entertainment company founded by the six original members of Japanese boy group Exile in 2003. The president is Hiroyuki Igarashi, the leader of the Exile.
The LDV Maxus is a light commercial van model, originally produced by LDV Limited. It was launched in the end of 2004. The model was jointly developed by LDV and Daewoo Motor, prior to Daewoo entering receivership in November 2000, in a five year, £500 million development programme.
"LDN" (shorthand for, and pronounced as, "London") is a 2006 song by English recording artist Lily Allen.
LDN Noise is a songwriting and record producing duo, consisting of members Greg Bonnick and Hayden Chapman, currently based in London, United Kingdom.