The famous American author known for writing about Appalachia who wrote "The Road" and "Suttree" is Cormac McCarthy.

Cormac McCarthy is acclaimed for his distinctive writing style and exploration of themes related to human nature, violence, and survival, often set against the backdrop of the American landscape, including Appalachia. In "Suttree," he delves into the life of a man who rejects societal norms and lives among the marginalized in Memphis, while "The Road" presents a post-apocalyptic journey that reflects profound themes of love and endurance. McCarthy's works are noted for their lyrical prose and deep philosophical undercurrents, contributing to his status as one of the prominent contemporary American authors.