A. O. Thyne is a writer based in Burramatta - Dharug Land Sydney, Australia. She has a love for magical realist fiction and horror. She has a Bachelor of Arts in English Literature with a Minor in Creative Writing.

In 2020, Thyne’s short story The Old Dog was published in The Quarry, Macquarie University Journal and her short story The Dusty Veteran was publish in The Village Observer in 2021. Her other works have featured in the top 5 for the New York Midnight Writers Short Story challenges.

In 2023, her short story Burning Bright appeared in the NBWG Anthology Villain or Hero. In 2026, her short story Set Beyond the Water appeared in the Living Stories Anthology: Is it True.

In 2026, she was accepted into the WestWords Academy for emerging writers. She has been a judge for the 2026 Campbelltown Fisher’s Ghost Writing Competition.

A. O. Thyne has worked as a pastry chef, librarian and archivist, all of which have influenced her writing.