- the name that an ethnic, racial, or social group uses for itself or its language: “Inuit” is the autonym for a large subgroup of Indigenous Arctic peoples.
- a person's real name: To all who replied to my post—if you send me your autonyms by email I'll gladly acknowledge your help in my upcoming article.
- a book published under the real name of the author.
- a trinomial of a subspecies of animal or variety of plant whose final epithet repeats the species name, as in Homo sapiens sapiens (modern human) or Pinus nigra nigra (European black pine): automatically created for the original type the first time another subspecies is named.
