Stella

 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

 * Stella (Paradise 5) (AUDIO: Paradise 5)
 * Stella (Prisoner of the Daleks) (PROSE: Prisoner of the Daleks)
 * Stella (Second Chances) (PROSE: Second Chances)
 * Stella (The Green Death) (TV: The Green Death)

As first name

 * Stella Bopbates (TV: Bad Wolf)
 * Stella Courtney (AUDIO: The Dead Line)
 * Stella Stark (PROSE: Code of the Krillitanes)

As place name

 * Stella Island, the "island of death" (PROSE: Island of Death)
 * Stella Stora, a planet (TV: Terror of the Vervoids, PROSE: Seeing I)

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

 * SSSSSSS, short for the Stella Stora Sigma Schutz-Staffel SturmSoldaten (PROSE: Down)

Behind the scenes

 * Stella Broster, who produced DOC: Podshock