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 (Random Shoes).

As only name

 * Sheila (Elementary, My Dear Sheila) (IW: Elementary, My Dear Sheila)
 * Sheila (Frontier in Space) (DW: Frontier in Space)

As first name

 * Sheila Clark (DW: Closing Time)

Guest

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

Comics

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