Don is a masculine given name in the Irish language, as well as a short form of two masculine given names in the English language. The Irish name is derived from the Irish donn; the name can either mean "brown", or "chief", "noble". The Irish name is a variant spelling of Donn. The English name is unrelated to the Irish name; this name is a short form of the given name Donald or Donovan. Pet forms of this English name include Donnie and Donny.
Don can also be a surname, also derived from "brown".