|Includes a list of characters, actors and production crew members whose first names are Katherine.|
- Katherine Pryde - A Marvel Comics superhero; Also known as Kitty Pryde, Ariel, Sprite and Shadowcat.
- Kat Dennings - Played Darcy Lewis in Thor and Thor: The Dark World.
- Kate Mulgrew - Played Kathryn Janeway on Star Trek: Voyager.
- Katee Sackhoff - Played Kara Thrace in the revival series of Battlestar Galactica.
- Katie Cassidy - Played Laurel Lance on Arrow.
- Katie Saylor - Played Liana on The Fantastic Journey.
- Kathleen Barr Canadian voice Legend Best Known For He-Man and the Masters of the Universe the 2002 Remake Version Johnny Test Reboot Sabrina Secrets Of Witch Dragon Tales King Arthur and the Knights of Justice Mega Man
- Kathryn Gordon - Played Heather Tobey on The 4400.