The King of Šumava: The Phantom of the Dark Land (Czech: Král Šumavy: Fantom temného kraje) is a Czech adventure series. Season 1 was directed by David Ondříček and produced by the production company Lucky Man Films. The series was filmed under the brand Voyo Original. The script was written by Tomáš Vávra and David Ondříček.

Oskar Hes, Jan Nedbal, Halka Třešňáková, Vojtěch Vodochodský, Jan Hájek, Jana Pidrmanová, Gabriela Heclová, Jan Jankovský, Kryštof Mucha, Kristýna Podzimková, Judit Bárdos, Petr Forman, Denis Šafařík, Jaroslav Plesl, Jiří Zeman, Daniela Hirsch and others starred in the series.

The series premiered on 23 September 2022 at the Serial Killer international series festival in Brno.

On 23 February 2023 Nova announced that the series was renewed for season 2 and season 3 each consisting of 3 episodes. Shooting of season 2 and 3 started in October 2023, directed by David Ondrášek. It was eventually decided that season 2 and 3 will be produced as a single season and thus season 2 consists of 6 episodes titled The King of Šumava: Agent Walker (Král Šumavy: Agent chodec) with broadcast set for Spring 2025.