Cotton

 has several meanings pertinent to the Doctor Who universe and the real world. They are listed below in alphabetical order by surname. If no surname is available, alphabetization occurs by the disambiguation term — that is, the bit between the parentheses in a title like Waitress (Vincent and the Doctor).

As only name

 * Cotton (The Mutants), an aid to the Marshal of Solos (TV: The Mutants)
 * Cotton (Occam's Razor), a character played by Brian Croucher who is a prominent part of the Kaldor City audio series

As first name

 * Cotton Mather, a New England Puritan who presided over the Salem Village witch trials. (PROSE: The Witch Hunters)

As surname

 * Ned Cotton (AUDIO: Phantasmagoria)
 * Philip Cotton (PROSE: Millennium Shock)

Place names

 * Joe Cotton's, a bar (AUDIO: The Empire State)

Behind the scenes

 * Richard Cotton, who voiced Osbert in AUDIO: Castle of Fear
 * Donald Cotton, who wrote TV: The Myth Makers, The Gunfighters, PROSE: The Romans, The Myth Makers and The Gunfighters