* Sadie
* Sadistic Mika Band
* Sads
* Sambomaster
* Satsuki
* Scanch
* Scandal
* Schaft
* Schwarz Stein
* Schwein
* Screw
* Seamo
* Seagull Screaming Kiss Her Kiss Her
* See-Saw
* The Seeker
* Seiichi Yamamoto
* Seikima-II
* Serial Number (band) (シリアル⇔NUMBERオフィシャル)
* Serial TV Drama
* Sex Machineguns
* Shakkazombie
* Shaka Labbits
* Shanadoo
* Shiina Ringo
* Shilfee and Tulipcorobockles
* Shinichi Osawa
* Shinsengumi Rian
* Shonen Knife
* Show Ya
* Shugo Tokumaru
* Shuta Hasunuma
* Siam Shade
* Sid (シド)
* Sigh
* Silent Poets
* Silk Road
* Skeletons
* Skin
* Sky Hawks
* SLEEP WALKER
* sleepy.ab
* SMAP
* Snowkel
* Softball
* Soft Ballet
* Soil & "Pimp" Sessions
* Somatic Guardian
* Sons of All Pussys
* Sophia
* Soul Flower Union
* Sound Horizon
* Southern All Stars
* Sowelu
* Spangle Call Lilli Line
* The Spiders
* Spitz
* Spiv States
* Spread Beaver
* Stance Punks
* Stereopony
* Stomu Yamash'ta
* SuG
* Splay
* Suga Shikao
* Suneohair
* SunSet Swish
* Supe
* Super Junky Monkey
* Super Bell"Z
* Susumu Hirasawa
* The System of Alive