Sheila

 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

 * Sheila (Elementary, My Dear Sheila) (PROSE: Elementary, My Dear Sheila)
 * Sheila (Frontier in Space) (TV: Frontier in Space)

As first name

 * Sheila Clark (TV: Closing Time)

Guest

 * Sheila Dunn, who played Blossom Lefavre in TV: The Daleks' Master Plan and Petra Williams in TV: Inferno and provided a computer voice for TV: The Invasion
 * Sheila Fay, who played Meg in TV: The Time Warrior
 * Sheila Gill, who played the Matron in TV: Mawdryn Undead
 * Sheila Grant, who voiced the Quarks in TV: The Dominators and played Jane Leeson in TV: Colony in Space
 * Sheila Hancock, who played Helen A in TV: The Happiness Patrol
 * Sheila Reid, who played Etta in TV: Vengeance on Varos
 * Sheila Ruskin, who played Kassia in TV: The Keeper of Traken
 * Sheila Steafel, who played a young woman in Daleks' Invasion Earth 2150 A.D.

Television

 * Sheila Johnston, who was a continuity supervisor for Doctor Who
 * Sheila S Tomlinson who was film editor for TV: Revenge of the Cybermen

Comics

 * Sheila Cranna, who was an editor for Doctor Who Magazine