IV of Spades

IV of Spades (stylized in all caps; pronounced "Four of Spades" and often shortened as "IVOS" ) is a Filipino rock band from Metro Manila, Philippines, consisting of vocalist, bassist and keyboardist Zild Benitez, vocalist and lead guitarist Blaster Silonga, backing vocalist and drummer Badjao De Castro, and vocalist and rhythm guitarist Unique Salonga. The band first gained exposure with the release of their fourth single, "Mundo" (2018). Their first album, ClapClapClap!, was released on January 18, 2019. The band went on hiatus on August 21, 2020, and returned in 2025 with the release of their single "Aura" and subsequently released their second and most recent album Andalucia, on November 5, 2025.

Their musical style has been described as "pop funk" and funk rock by the local press. IV of Spades has been nominated and won several musical awards, both in the Philippines and internationally. The band is also known for their 1970s-inspired outfits.