Carl

, and its variants (Carla, Carlo, Carlos) 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

 * Carl (PROSE: House)
 * Carl (TV: Revenge of the Slitheen)
 * Carl (PROSE: The Indestructible Man)
 * Carlo (TV: The Vampires of Venice)

As first name

 * Carl Harris (TV: The Sontaran Stratagem)
 * Carl Jenkins (PROSE: The Nightmare of Black Island)
 * Carl Peterson (TV: Day of the Moon)
 * Carl Scraton (PROSE: Bad Therapy)
 * Carl Tyler (TV: The Dalek Invasion of Earth)
 * Carla Langer (TV: The Mark of the Berserker, et al)
 * Carlo Zeno (PROSE: The Empire of Glass)
 * Carlos Scarlioni (TV: City of Death)
 * Carly Dimitri (PROSE:Dark Progeny)

Featured

 * Carl Forgione, who played Land in TV: Planet of the Spiders and Nimrod in TV: Ghost Light.
 * Carl McCrystal, who played McGrath in The Curse of the Black Spot.

Monster specialists

 * Carl Rigg, who played Varlik in The Power of Kroll.

Extra

 * Carl Conway, who played the US Correspondent in TV: The War Machines and a Control Room Assistant in TV: The Ambassadors of Death.
 * Carla Jeffery, who played a teenage girl in The New World.

As surname

 * Lachele Carl, who played Trinity Wells in several episodes of Doctor Who and its spinoffs, The Sarah Jane Adventures and Torchwood.

Directors

 * Carla Bowen, a 2nd assistant director for Torchwood.

Print

 * Carl Lyons, an illustrator for Doctor Who DVD Files.