Nadia

 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

 * Nadia (The Diamonds of Sartor) (COMIC: The Diamonds of Sartor / Quarsian Mission / Android of Death)
 * Nadia (A Wing and a Prayer) (COMIC: A Wing and a Prayer)

As first name

 * Nadia Červenka (AUDIO: Artificial Intelligence)
 * Nadia Chong (PROSE: Burning Heart)
 * Nadia Koznyshev (PROSE: The Clockwise Man)
 * Nadia Montgomery (PROSE: Borrowed Time)

Guest

 * Nadia Hammam, who played Villagra in TV: Four to Doomsday

Television

 * Nadia Dand, who was assistant art director on TV: Out of Time