John Yunker is a writer of plays, short stories and novels focused on human/animal relationships.

He is co-founder of Ashland Creek Press, a vegan-owned publisher devoted to environmental and animal rights literature. He is also author of the novel The Tourist Trail and the children's book Bird Words.

His full-length play Meat the Parents was a finalist at the Centre Stage New Play Festival (South Carolina) and semi-finalist in the AACT new play contest. Species of Least Concern was a finalist in the 2016 Mountain Playhouse Comedy Festival. His short play, Little Red House, was published in the literary journal Mason's Road, and produced by the Studio Players Theatre in Lexington, Kentucky. In 2017, the short play Of Mice and Marines was workshopped and given a staged reading at the ATHE (Association for Theatre in Higher Education) conference in Las Vegas.

His short stories have been published by literary journals such as Phoebe, Qu, Flyway, and Antennae.