Soundboard or sound board may refer to:
- Sound board (music), a part of a musical instrument
- Sounding board, an attachment to a pulpit to assist a human speaker
- Alternate name of a mixing console, used to combine electronic audio signals
- Soundboard (computer program), a Web application or computer program with buttons that play short, often humorous sound clips
- Soundboard (magazine), a quarterly publication of the Guitar Foundation of America
- Sound board may refer to any circuit board used to produce or handle sound, such as a sound card
- Sound board, building construction material used for soundproofing
- Sounding board, a wooden board in a boat used to measure depth