Soundwave may refer to:
- Sound waves, waves that carry sound
- Soundwave (Australian music festival), an annual music festival held in Australia
- Soundwave 2008, a 2008 album released to promote Soundwave festival in Australia
- Soundwave 2009, a 2008 album released to promote Soundwave festival in Australia
- Soundwave 2010, a 2009 album released to promote Soundwave festival in Australia
- Soundwave Festival, an annual music festival held in the United Kingdom
- Soundwave Festival (San Francisco), a biennial sound, art and music festival held in the United States
- Soundwave (Transformers), the name of several fictional characters from the Transformers universes
- Sound Wave (album), an album by Stanley Huang