Mariah Gale (born c.1980) is a British-Australian actress of film, stage and television.
- Doctor Who (2017) as Eliza, episode "Knock Knock"
- Broadchurch (2017) as Caroline Hughes, series 3
- Father Brown (2017) as Agnes Lesser, episode 5.7 "The Smallest of Things"
- Shakespeare Live! (2016, RSC and BBC2 live broadcast) as Juliet (Romeo and Juliet extract)
- The Hollow Crown (2016, BBC) as Lady Bona
- Wendy & Peter Pan (2015, RSC) as Wendy
- Measure For Measure (2015, The Globe, London) as Isabella
- Cat On A Hot Tin Roof (2014, Royal Exchange, Manchester)
- Hercules: The Legend Begins (2014)
- Death Comes to Pemberley (2013) as Mrs Younge
- Proof (2013, Menier Chocolate Factory) as Catherine
- Three Sisters (2012, Young Vic) as Olga
- The Pitchfork Disney (2012, Arcola Theatre) as Hayley
- Morte d'Arthur (2010, RSC) as Ettard/ Elaine of Astolat/ Morgan's gentlewoman
- Romeo and Juliet (2010, RSC) as Juliet
- The Grain Store (2009, RSC) as Masha
- Hamlet (2009, TV) as Ophelia
- The Comedy of Errors (2009, RSC) as a courtesan
- As You Like It (2009, RSC) as Celia (understudying Rosalind)
- The Diary of Anne Frank (2009, TV series) as Bep Voskuijl
- Hamlet (2008, RSC) as Ophelia
- Love's Labour's Lost (2008, RSC) as the Princess of France
- A Midsummer Night's Dream (2008, RSC) as 1st Fairy
- Skins (2008, TV series) guest starring as Polly
- The Sea (2008, Theatre Royal, Haymarket) as Rose
- Oliver Twist (2007, miniseries) as Agnes Fleming
- Mad King Ludwig (2007, Rose Bruford) (rehearsed reading) as Henriette/ Cosima Wagner
- Vernon God Little (2007, Young Vic Theatre) as Talyor/ Ella
- Professor Bernhardi (2007, BBC Radio 3) as Nurse Ludmilla
- Regime Change (2007, BBC Radio 3) as Natascha
- The Tempest (2006–7, RSC) as Miranda
- Julius Caesar (2006, RSC) as Portia
- Antony and Cleopatra (2006–7, RSC) as Octavia
- Passion and Politics (2005, Young Vic) (rehearsed reading)
- 'Tis Pity She's a Whore (2005, Southwark Playhouse) as Annabella
- Cymbeline (2005, Regent's Park open-air theatre)
- Twelfth Night (2005, Regent's Park open-air theatre) as Viola
- Musik (2005, Arcola Theatre) as Klara
- Professor Bernhardi (2005, Arcola Theatre) as Nurse Ludmilla
- The Night (2005, BBC Radio 3) (poetry reading)
- Much Ado About Nothing (2004, Shakespeare's Globe) as Hero
- The Lost Child (2003–04, Chichester Festival Theatre)
- Stealing Sweets and Punching People (2003, Latchmere Theatre) as Emily
- Loveplay (2003, Finborough Theatre)
- Broken (2000, Hen & Chickens Theatre)
- Halliburton, Rachel (26 November 2008). "Mariah Gale: interview". Time Out London. Retrieved 10 April 2017.
- Michael Coveney (24 March 2010). "Romeo and Juliet, Courtyard, Stratford-upon-Avon". The Independent.
- "Critics' Newcomer Gale Wins Ian Charleson Award". What's On Stage. 22 May 2006. Archived from the original on 2 April 2015.
- Matthew Amer (29 January 2013). "Gale has Menier Proof". Official London Theatre.