• The mammal Equus africanus asinus better known as the Donkey
  Donkey
  The donkey or ass, Equus africanus asinus, is a domesticated member of the Equidae or horse family. The wild ancestor of the donkey is the African Wild Ass, E...
  
  
  • Asinus
    Asinus
    The subgenus Asinus encompasses four species and several subspecies of Equidae characterized by long ears, a lean, straight-backed build, a scant tail, and a reputation for considerable toughness and endurance....
    
    subgenus
• North American English informal term for buttocks
  Buttocks
  The buttocks are two rounded portions of the anatomy, located on the posterior of the pelvic region of apes and humans, and many other bipeds or quadrupeds, and comprise a layer of fat superimposed on the gluteus maximus and gluteus medius muscles. Physiologically, the buttocks enable weight to...
  
  
• áss, one of the Æsir
  Æsir
  In Old Norse, áss is the term denoting a member of the principal pantheon in Norse paganism. This pantheon includes Odin, Frigg, Thor, Baldr and Tyr. The second pantheon comprises the Vanir...
  
   in Norse mythology
• Ass (album)
  Ass (album)
  Ass is the fourth and last album released on Apple Records by power pop band Badfinger. The opening track, "Apple of My Eye", refers to the band leaving the label to begin its new contract with Warner Brothers Records. The cover artwork alludes to Badfinger's feelings that they had been misled by...
  
  , by Badfinger
• In abstract algebra, Ass(M) denotes the collection of all associated primes of a module M
• AsS, the basic chemical formula for arsenic sulfide
  Arsenic sulfide
  Arsenic sulfide may refer to:*Arsenic trisulfide, As2S3, the mineral orpiment*Tetraarsenic tetrasulfide, As4S4, the mineral realgar*Tetraarsenic trisulfide, As4S3, occurs as the minerals α- and β- dimorphite...
  
  

• Agents of Secret Stuff, a 2010 medium web film
• ASS (car)
  ASS (car)
  The A.S.S. was a French automobile produced from 1919 to 1920 by Bernard Verdy. Advertised as "L'automobile pour tous", the car was powered by a 1240cc, two-stroke Thomas engine and used a 2-speed epicyclic transmission. The car featured electric lights and starter...
  
  , a French car made from 1919 to 1920
• ASS (gene), a human gene that encodes for the enzyme argininosuccinate synthetase
• Acta Sanctae Sedis
  Acta Sanctae Sedis
  Acta Sanctae Sedis was a Roman monthly publication containing the principal public documents issued by the Pope, directly or through the Roman Congregations....
  
  , a former Roman monthly publication and gazette of the Holy See
• Advanced SubStation Alpha, a subtitles editor in computing
• Advisory Service for Squatters
  Advisory Service for Squatters
  The Advisory Service for Squatters is a non-profit group based in London, UK, run by volunteers which aims to provide practical advice and legal support for squatters. It was founded in 1975, having grown out of the Family Squatters Advisory Service...
  
  , a non-profit group based in London, UK
• American Sociological Society, the founding name for the American Sociological Association
• Angle-Side-Side, an ambiguous proof in mathematics: see Congruence (geometry)#Congruence of triangles
• All-Star Superman, a comic book

See also

• Arse (disambiguation)
  Arse (disambiguation)
  Arse or ARSE may refer to:* the British/Irish-English vulgarism for the buttocks, equivalent to "ass" in American or Canadian English** "arsehole," a similar British/Irish term for the anus, equivalent to "asshole" in American or Canadian English...
  
  , British English equivalent in some senses
• AS (disambiguation)
• Asshole (disambiguation)
  Asshole (disambiguation)
  Asshole or arsehole is a vulgar term for the anus, or an insult derived from this meaning. "Asshole" may also refer to:* Slang for the gluteal cleft* Asshole , by Gene Simmons...
  
  
• Asso
  Asso
  Asso is an Italian comune in the province of Como, in Lombardy, Italy. It has 3,524 citizens and an area of 6.46 km², with a density of 546 people/km².-Main sights:Significant historic buildings are:...
  
  , a town and commune in Lombardy, Italy
• Wild ass (disambiguation)