Walker

 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 (Random Shoes).

As only name

 * Fitz-Walker (COMIC: Action in Exile)
 * Walker (The Sea Devils) (TV: The Sea Devils)
 * Walker (Tardisode 8) (TS: Tardisode 8)

As surname

 * Gavin Walker (AUDIO: The Veiled Leopard)
 * Sylvia Walker (PROSE: Empire of Death)
 * Miriam Walker (PROSE: Time of Your Life)

As place name

 * Walker General Hospital (TV: Doctor Who)

As name of object, publication or other in-universe item

 * The Walker Expedition (TV: The Impossible Planet / The Satan Pit)

Guest

 * Ben Walker, who played Jamie Burton in TV: Dead Man Walking
 * Bethan Walker, who played Annie Botchwell in TV: Cyberwoman
 * Fiona Walker, who played Kala in TV: The Keys of Marinus and Lady Peinforte in TV: Silver Nemesis
 * Lillias Walker, who played Sister Lamont in TV: Terror of the Zygons
 * Michael Walker, who played the 1st Radar Operator in TV: The Claws of Axos and Miseus in TV: The Time Monster
 * Peter Walker, who played Jean-Pierre in TV: The Reign of Terror
 * Randa Walker, who played Candice Perlmutter in TV: Dead of Night, Escape to LA and The Categories of Life
 * Rudolph Walker, who played Harper in TV: The War Games
 * Timothy Walker, who played Grell in TV: The Mysterious Planet

Stunt

 * Rob Walker, a stunt double in TV: The Daleks' Master Plan

Other live action

 * April Walker, the original actress to be cast as Sarah Jane Smith (INFO: Invasion of the Dinosaurs)

Vocal

 * Joan Walker, who voiced Lola Luna in AUDIO: The Magic Mousetrap and Centuria in AUDIO: Paradoxicide
 * Nicola Walker, who played Liv Chenko and Elicien in AUDIO: Robophobia

Cameramen

 * John Walker, who was a film cameraman for Doctor Who

Designers

 * Dinah Walker, who was designer for TV: Terror of the Vervoids
 * Stuart Walker, who was designer for TV: The Savages

Directors

 * George Walker, who was a 1st assistant director for Torchwood

Other

 * Graham Walker, who was an editor for Doctor Who
 * Jim Walker, who was film editor for TV: The Three Doctors
 * Steve Walker, who was a script supervisor for Doctor Who

Prose

 * Andy Walker, who was an illustrator for the Doctor Who Annual 2006 and the Doctor Who Storybooks

Magazine crew

 * Jane Walker, who was an interviewer for Doctor Who Magazine

Other

 * Stephen James Walker, consultant for Doctor Who Classic Comics, co-editor for the Virgin Decalogs and non-fiction writer