Don, don or DON and variants may refer to:
Titles and roles
* Don (honorific), a Spanish, Portuguese, and Italian title of respect, often used for noblemen or distinguished individuals
* Don (academia), a senior member (fellow or tutor) of a college or university, especially at Oxford or Cambridge
*Don, a crime boss, especially in Mafia contexts
Places
* Don River (other), several rivers with this name
** Don (river), a river in European Russia
* Don, Tasmania, a small village near Devonport, Australia
* Don, Benin, a town in Benin
* Don Jail, a historic jail in Toronto, Canada
* Don, Nord, a commune in northern France
* Don, Dang, a hill station village in Gujarat, India
*DON, Chapman code for County Donegal, Ireland
* Don, Trentino, a commune in Trentino, Italy
* Don Republic, a short-lived state (1918–1920) in Russia
* Don, West Virginia, an unincorporated community in the U.S.
People and characters
Given name or nickname
* Don (given name), including a list of peopl ...