Parkinson is married to actor Harry Peacock and the couple have two children together.
Works with Katherine Parkinson:
Film
- 2005 Ahead Of The Class: Vicky Foley (TV Movie)
- 2008 Easy Virtue: Marion Whittaker
- 2008 How to Lose Friends & Alienate People: PR Woman
- 2009 The Boat That Rocked: Felicity
- 2009 St. Trinian's 2: The Legend of Fritton's Gold: Physics Teacher
- 2018 The Guernsey Literary and Potato Peel Pie Society: Isola
- 2019 How To Fake A War: Kate Hemmings
- 2020 Radioactive: Emma Jeanne Desfosses
- 2020 This Nans Life: Nell
- 2021 Paul Doods Deadly Lunch Break: Clemmie
Television
- 2005 Casualty: Helen Gibbons (1 episode)
- 2005 Extras: Woman in Queue (1 episode)
- 2005-09 Doc Martin: Pauline Lamb
- 2006-10, 2013 The IT Crowd: Jen Barber
- 2007 Fear Stress And Anger: Gemma
- 2007-09 Katy Brands Big Ass Show: Various
- 2009 Jonathan Creek: Nicola (1 episode)
- 2009 The Old Guys: Amber
- 2010 The Great Outdoors: Sophie
- 2010 Whites: Caroline
- 2011 Psychoville: Fiona (1 episode)
- 2011 The Bleak Old Shop Of Stuff: Conceptiva
- 2012 Sherlock: Kitty Riley (1 episode)
- 2014 The Honourable Woman: Rachel Stein
- 2014 Inside No. 9: Rebecca (1 episode)
- 2014 Crackanory: Herself/Storyteller (1 episode)
- 2014-16 In The Club: Kim Hall
- 2015-18 Humans: Laura Hawkins
- 2015 The Kennedys: Brenda Kennedy
- 2017 Urban Myths: Ange (1 episode)
- 2018 Hang Ups: Karen Muller
- 2019 Defending The Guilty: Caroline Bratt
- 2020 Taskmaster: Herself/Contestant
- 2020 Pandemonium: Rachel Jessop
- 2020 Hitmen (2020): Kat Gaitskill
- 2022 Here We Go (a Sudden Name Change for Pandemodium): Rachel Jessop
Stage
- 2003 Camille: Olympe
- 2003 The Increased Difficulty Of Concentration: Anna Balcar
- 2007 The Seagull: Masha
- 2009 Cock: W
- 2011 The School for Scandal: Lady Teazle
- 2012 Absent Friends: Diana
- 2019 Uncle Vanya: Sonya
Tropes associated with Katherine Parkinson:
- Redhead In Green: Has bright ginger hair and frequently wears green in roles and publicity appearances.
