Battle Spirits: Saikyō Ginga Ultimate Zero (最強銀河究極ゼロ～バトルスピリッツ～, Saikyō Ginga Arutimetto Zero ~Batoru Supirittsu~, lit. Strongest Galaxy Ultimate Zero ~Battle Spirits~) is a 2013 Japanese anime series based on the Battle Spirits Trading Card Game. It was produced by Sunrise and Nagoya Broadcasting Network and aired on TV Asahi from September 22, 2013, to September 21, 2014 It replaced Battle Spirits: Sword Eyes in the Nichi Asa Kids Time 7:00 timeslot, and was succeeded by Battle Spirits: Burning Soul. It has not been released outside Japan until 2019, ViuTV aired this series in Hong Kong with Cantonese dubbing.

This is the last Battle Spirits anime to be animated by Sunrise, as it is aired two years before the founding of BN Pictures.