ALD, Ald or ald may refer to:
Aldi (stylized as ALDI) is the common brand of two leading global discount supermarket chains with over 10,000 stores in 18 countries, and an estimated combined turnover of more than €50 billion.
An aldehyde /ˈældᵻhaɪd/ or alkanal is an organic compound containing a functional group with the structure −CHO, consisting of a carbonyl center (a carbon double-bonded to oxygen) with the carbon atom also bonded to hydrogen and to an R group, which is any generic alkyl or side chain.
Aldosterone, the main mineralocorticoid hormone, is a steroid hormone produced by the zona glomerulosa of the adrenal cortex in the adrenal gland.
The aldol reaction is a means of forming carbon–carbon bonds in organic chemistry. Discovered independently by the Russian chemist Alexander Borodin in 1869 and by the French chemist Charles-Adolphe Wurtz in 1872, the reaction combines two carbonyl compounds (the original experiments used aldehydes) to form a new β-hydroxy carbonyl compound.
Richard Reyes Faulkerson, Jr. (born January 2, 1992), popularly known by his stage name Alden Richards, is a Filipino actor, host, model and recording artist.
Aldershot (/ˈɔːldərʃɒt/) is a town in the English county of Hampshire, located on heathland about 37 mi (60 km) southwest of London.
Alderney (/ˈɔːldərni/; French: Aurigny [oʁiɲi]; Auregnais: Aoeur'gny) is the northernmost of the inhabited Channel Islands.
Aldershot Town Football Club is a professional association football club based in Aldershot, Hampshire, England.
Aldrich Hazen Ames (born May 26, 1941) is an American Central Intelligence Agency (CIA) operative and analyst turned to be a KGB mole, who was convicted of espionage in 1994. He is serving a life sentence without the possibility of parole in the high-security Allenwood U.S.