Larissa Gallagher (born November 11) is an Australian voice actress. She has voiced several minor and background characters on Harley Quinn:
- A bus passenger in "Harlivy"
- A prawn in "Another Sharkley Adventure"
- Amelie and an automated voice in "The First Person to Come Back From a Business Conference Without Chlamydia"
- The automated voice in the Time Sphere in "The Most Culturally Impactful Film Franchise of All Time"
- A receptionist and an Italian boy in "Il Buffone"
Gallagher has been working as an voice actor since 2010 and has been prolific within the industry. She is best known for voicing Lagoona Blue from Monster High, Bluebird Azurite from Steven Universe Future, Miss Pastelprincess Koala on OK.KO, Delphine on TWD: Saints & Sinners, Cecily from Rumu, Julia from Firewatch, Preena Penguin from Enchantimals among others.