A pathogen is a microorganism in the widest sense that causes disease in its host.

Pathogen may also refer to:

Pathogen (Two Steps from Hell album), 2007 Pathogen (Made of Hate album), 2010 Pathogen (film), a 2006 zombie horror independent film "Pathogen" (Stargate Universe), an episode of Stargate Universe

See also

Pathogenic (video game), 2026 video game