The Ox are a 5-piece progressive metal band from Son Servera, Spain. The band began in December 2012 and is comprised of Carlos Muntaner (vocals), Guillermo Campaña (guitars), David Ramis (guitars), Luis Calvo (bass), and Sergio Torres (drums).

In January they began recording their self-titled debut album, titled Obsidian. The band released the debut via Bandcamp on July 10, 2013.