Sound of My Voice
- Tahun: 2011
- Negara: United States of America
- Genre: Science Fiction, Drama, Mystery, Thriller, Horror
- Studio: Skyscraper Films
- Kata kunci: journalist, manipulation, hidden camera, teacher, school, los angeles, california, hand clapping game, cult leader, documentary filmmaking, oxygen tank, secret handshake
- Pengarah: Zal Batmanglij
- Pelakon: Brit Marling, Christopher Denham, Nicole Vicius, Davenia McFadden, Kandice Stroh, Richard Wharton