Oathbreaker is a Belgian band from Flanders, formed in 2008 and currently signed to Deathwish Inc. The band consists of guitarists Lennart Bossu and Gilles Demolder, drummer Wim Coppers (who replaced founding member Ivo Debrabandere in 2016), and vocalist Caro Tanghe, who performs both screamed and sung vocals. They are a part of Amenra's Church of Ra collective, alongside other bands such as The Black Heart Rebellion, Wiegedood, and DehnSora.
Following a self-titled EP, Oathbreaker have released three studio albums: Mælstrøm (2011), Eros|Anteros (2013) and Rheia (2016). The latter two albums received generally positive reviews, noted for their unique integration of different genres.