Katherine

 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

 * Katherine (DW: The Girl in the Fireplace)

As first name

 * Catherine Broome (TN: Companion Piece)
 * Catherine Harries (EDA: The Banquo Legacy)
 * Catherine de Medici (DW: The Massacre of St Bartholomew's Eve)
 * Cath Lloyd (DWM: F.A.Q.)

As place name

 * The Glen of St Catherine (DW: Tooth and Claw)

Regular

 * Catherine Tate née Ford, who played Tenth Doctor's companion, Donna Noble

Guest

 * Katherine Jenkins, who played Abigail Pettigrew and sang her song in DW: A Christmas Carol.

Featured

 * Catherine Bailey, who played Miss Wyckham in SJA: Lost in Time.
 * Catherine Cusack, who played the Blue Kang Leader in DW: Paradise Towers.
 * Catherine Howe, who played Ara in DW: The Underwater Menace.
 * Catherine Schell, who played Countess Scarlioni in DW: City of Death.
 * Katherine Burford, who played the Nurse in DW:The Wedding of River Song.
 * Katherine Schofield, who played Sabetha in DW: The Keys of Marinus.

Extra

 * Catherine Olding, who played the Young Woman in DW: Attack of the Graske and the Young Mum in TW: From Out of the Rain.
 * Catherine York, who played a newsreader in DW: Turn Left.

Vocal

 * Catherine Fleming, who provided the voice of the Animus in DW: The Web Planet.
 * Catherine Harvey, who voiced Panthea Vyse in BFA: The Diet of Worms, Glory Days, and Absence.
 * Katherine Parkinson, who voiced engineer Danika Meanwhile, in BFA: The Death Collectors.

Directors

 * Catherine Morshead, the director of DW: Amy's Choice and The Lodger

Writers

 * Catherine Tregenna, a Torchwood telelvision writer.

Other

 * Catherine Childs, an Assistant Floor Manager for DW: An Unearthly Child, Marco Polo, and The Daleks' Master Plan (with Caroline Walmsley).
 * Catherine Davies, who provided the Make-Up for DW: The Mark of the Rani and The Two Doctors.
 * Catherine Samuel, a production buyer and, later, a props buyer for Doctor Who.
 * Katherine Archer, a standby propsman for Doctor Who.
 * Katherine Lewis, a credited Cyfle trainee on DW: Evolution of the Daleks.