Oswald

 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, alphabetisation occurs by the disambiguation term — that is, the bit between the parentheses in a title like Waitress (Vincent and the Doctor).

As only name

 * Oswald (PROSE: Asylum)
 * Oswald, a human genius. (COMIC: Children of the Evil Eye)
 * Oswald (PROSE: The Dying Days)

As first name

 * Oswald Danes, convicted murderer and rapist. (TV: Torchwood: Miracle Day)
 * Oswald Fox, resident of Poseidon 8. (GAME: Shadows of the Vashta Nerada)
 * Oswald Holland, Minister of Defence in the 1970s. (COMIC: The Celluloid Midas)
 * Oswald Mosley, British politician. (PROSE: Players, Timewyrm: Exodus)

As surname

 * Clara Oswald, companion to the Eleventh Doctor. (see list)
 * Dave Oswald, Clara's father. (TV: The Rings of Akhaten)
 * Ellie Oswald, Clara's mother. (WC: The Bells of Saint John: A Prequel, TV: The Rings of Akhaten, The Time of the Doctor)
 * Lee Harvey Oswald, assassinator of John F. Kennedy. (TV: The Cambridge Spy)

As first name

 * Oswald Hafenrichter, editor.

As surname

 * William Oswald, editor.