A.P. Thayer is a queer, Mexican-American author based in Los Angeles who writes cross-genre speculative fiction. His work has appeared in Apex Magazine, Dark Matter, Uncharted Magazine, the Los Suelos multimedia anthology, and more. He is a staff writer for Frivolous Comma and has been an editor at Constelación and Para El Pueblo magazines. His debut novel, Tapeworm, is a body horror novel set in the California desert. It is forthcoming from Evil Twin in August of 2026. Outside of writing, A.P. loves cooking for others, playing RPGs around a table or on PC, and being yelled at by a small dog for lack of attention.

A.P. runs a Substack.

A.P. is represented by Helen Lane