Deca Joins (stylized in lowercase or as deca joins) is a Taiwanese indie rock band that formed in 2013 in Taipei, Taiwan. The band currently consists of four members: Zheng Jingru (鄭敬儒, soloist name: Samjoo) (vocals, guitar), Yang Shanghua (楊尚樺) (guitar), Xie Junyan (謝俊彥) (bass), and Chen Huanggu (陸浩釗) (drums). Their music has been described by critics as "indie," "grunge," and "lo-fi."

The band's original name was FUBAR, but in 2016, they changed their name to Gray Dwarf Star (灰矮星), and in 2017, they switched to their current name of deca joins. Read more on Last.fm. User-contributed text is available under the Creative Commons By-SA License; additional terms may apply.