On Spec[1] is a digest-sized, perfect-bound, Canadian quarterly magazine publishing stories and poetry in science fiction, fantasy, and allied genres broadly grouped under the "speculative fiction" umbrella.

Based in Edmonton, Alberta,[2] On Spec was founded in 1989 by a small group of Edmonton writers who joined together to form The Copper Pig Writers Society.

On Spec is Canada's longest-running, and according to author Robert J. Sawyer, most successful, English-language magazine in the field.

[4] Much more like a traditional small literary magazine than the mass-market-styled American science fiction digests such as Analog and Asimov's, On Spec was founded to address the frustration that English-speaking Canadian SF writers faced having to "Americanize" their stories for the existing US markets.

This article about a literary magazine published in Canada is a stub.