Sound system may refer to:

Technology Media

• Sound reinforcement system, a system for amplifying audio for an audience
• High fidelity, a sound system intended for accurate reproduction of music in the home
• Public address system, an institutional speech-reinforcement or public safety announcement system
• Shelf stereo, a compact sound system for personal use
• Amplifier

Arts and entertainment

• Sound system (DJ), a group of disc jockeys performing together
• Sound system (Jamaican), a group of disc jockeys, engineers and MCs playing ska, rocksteady or reggae music
• Sound System Records, an Australian record label
• LCD Soundsystem, an American rock band
• Sound System (album), by The Clash
• Sound System: The Final Releases, a 2021 EP by Bad Gyal
• Sound-System (album), by Herbie Hancock
• Soundsystem (311 album), 1999
• "Sound System", a song by Operation Ivy