Cass

 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

 * Cass (The Caves of Androzani) (TV: The Caves of Androzani)
 * Cass (Frayed) (PROSE: Frayed)
 * Cass (The Robots of Death) (TV: The Robots of Death)
 * Cass (Under the Lake) (TV: Under the Lake)
 * Van-der Cass (AUDIO: The Hounds of Artemis)

As first name

 * Cass Fermazzi (TV: The Night of the Doctor)

Cass