List of bands in the Splatoon series

Throughout the SS undefined, many fictional musicians and bands have provided the music for Turf War, the single-player campaigns, and more.

Bands introduced in Splatoon 2
Bands included may also be in Splatoon, including Turquoise October, Squid Sisters and Chirpy Chips.

Other
These do not have any listenable songs and are only described in HaikaraWalker.

Unnamed Idol Duo
A duo comprised of two female cuttlefish that were previously big with teenagers, who still compose music for the industry in the present day. One of them sang loudly while the other had a soft, whispering voice Their music artwork can be found floating in the background Stick 'n' Move Station with the artists removed, although one of their forearms remains. When translated, the text on the top-right corner reads" COIKARS" in Halfmoon script, which may have been the name of the duo. This is a play on コウイカ kouika, "golden cuttlefish". The text in the bottom-right corner, when translated from one of the Inkling alphabets, reads "pop pop pop", "hakkisyon!", and "Bye bye".

Unnamed folk rock band
In the 90s, an album by an unnamed folk rock band gained enormous popularity after one of its songs were featured as the theme song of a famous drama, to the point it stayed on the charts for two years even after the end of the drama. The band broke up at some point despite the good reception, but the members are still musicaly active.

Trivia

 * Dedf1sh has the most songs out of all musicians, with fifteen total songs.
 * Turquoise October, the Chirpy Chips, the Squid Sisters and Bob Dub are the only musicians to appear in both and  (not counting the Squid Squad and Hightide Era also being unlockable in Squid Beatz 2 via amiibo).