Groups
- siirakannu 1
- siizec 2
- sijaring 3
- siki 1
- sikokublue 3
- sikorsky taisa 5
- sikosiko network 8
- sikouya 14
- silber spoon 4
- silent hill 13
- silent space 1
- silent4 10
- silhouette 3
- silhouette girl 36
- silica gel 3
- silicon jichou 47
- silky to yukai na nakama-tachi 13
- silkyhurst 4
- silkys 136
- silkys connect 1
- silkys plus 4
- silkys plus wasabi 1
- silkys sakura 24
- silkysworld 3
- sillky blanc 1
- silly love song 1
- silly studios 8
- silmaril 21
- silos 2
- silt amaro 1
- siluman 5
- silver bloom 8
- silver bullet 11
- silver bullet automatic 2
- silver candy 2
- silver cow studio 3
- silver crescent 1
- silver dog 60
- silver meteor 56
- silver moon 6
- silver rice 13
- silver ring 2
- silver rx 3
- silver stone 1
- silver stripe 1
- silver way 18
- silver-kingdom 4
- silverfox 6
- silverlovesong 2
- silvermoon 1