- SOLEMOOD
- Solidigm
- SOLIDO
- SOLOMARK
- SOLOMON
- SOLOSHOT
- Solpa
- SOLUTION∞
- SOMIC
- SONiC
- SONICSPORT
- Sonix
- Sonnar
- SONNE
- SONNET（パソコン）
- Sonos
- Sony Interactive Entertainment
- SOPHNET.
- SOPPY
- soranik
- SOTEC
- SOTOMO
- SOUL
- SOUL by Ludacris
- SOUND ANCHORS
- SOUND BLASTER
- SOUND BLASTER X
- Sound by Sweden
- Sound Reality
- SOUND STORAGE（サウンドストレージ）
- Soundcore AeroFit
- Soundcore Space
- SOUNDFORM
- SoundWarrior
- SOYO
- SP CONNECT
- Space Wonder View
- SPALDING
- SPARKLE
- SPD