Quantum fiction is a literary genre that reflects modern experience of the material world and reality as influenced by quantum theory and new principles in quantum physics. The genre is not necessarily science-themed and blurs the line separating science fiction and fantasy into a broad scope of mainstream literature that transcends the mechanical model of science and involves the fantasy of human perception or imagination as realistic components affecting the every day physical world. Quantum fiction is characterized by the use of an element in quantum mechanics as a storytelling device. In quantum fiction, everyday life hinges on some aspect of the quantum nature of reality.

The genre reflects the modern human experience of new perceptions about material reality as affected by quantum physics, which transcends mechanical models of science and factors in imagination and human perception as components of reality. This genre is characterized by any or all of the following characteristics:The genre quantum fiction was coined by American novelist Vanna Bonta to define stories in which consciousness affects physics and determines reality; in her words, "the genre is broad and includes life." Bonta further explained her development of this new genre: "I don't write science fiction. Science fiction is a niche genre, defined by Ray Bradbury as depiction of the real. 'Quantum fiction' is the realm of all possibilities. The genre is broad, and includes life because fiction is an inextricable part of reality in its various stages, and vice versa."