ARD or Ard may refer to:

Arts and media
 ARD (broadcaster), the German public broadcaster
 Das Erste, their main television channel
 ARD International Music Competition
 Ard, a character in the 1981 film Heavy Metal

Military
 Army Reconnaissance Detachment 10, a special forces unit of the Swiss Armed Forces
 US Navy hull classification symbol for an auxiliary repair dry dock

People
 Ard (surname), a surname of Scottish origin
 Ard (biblical figure), a son of Benjamin in the Bible
 Ard., abbreviation in scientific literature for botanist Pietro Arduino

Places

Republic of Ireland
 Ardpatrick, County Limerick
 Ardpatrick, a townland in County Louth

United Kingdom
 Ard, Inverness, Scotland
 Ardgay railway station, Scotland
 Ardpatrick, Argyll, Scotland
 Ardpatrick, a townland in County Tyrone, Northern Ireland

United States
 Ard, Arkansas
 Ardmore station (Pennsylvania) (by Amtrak code)

Elsewhere
 Arad, Iran
 Alor Island Airport, Indonesia (IATA: ARD)

Politics
 Alliance for Restoration of Democracy, a Pakistani political movement
 Democratic Republican Alliance, Alliance Républicaine Démocratique or ARD, a French political party of the Third Republic
 Republican Alliance for Democracy, an opposition party in Djibouti (Alliance Républicaine pour le Développement)
 Right Romania Alliance, Alianţa România Dreaptăa, short-lived electoral alliance in Romania

Science and technology
 Ard (plough), a simple plough
 Acid rock drainage, the outflow of acidic water from mines
 Acireductone dioxygenase (iron(II)-requiring), an enzyme
 Aging-associated disease, diseases of senescence
 Alcohol-related dementia
 Antimicrobial Removal Device, Marion Laboratories product
 Apple Remote Desktop, computer application
 Atmospheric Reentry Demonstrator, ESA spacecraft
 Auxiliary repair dock

Other uses
 Accelerated Rehabilitative Disposition, an American pretrial intervention program
 American Research and Development Corporation, one of the first venture capital firms
 Ard Patrick (foaled 1899), a horse

See also
 Ards (disambiguation)