SHHH
| Acronym | Definition |
|---|---|
| SHHH | Self Help for Hard of Hearing People, Inc. (now Hearing Loss Association of America; Bethesda, MD) |
| SHHH | Society for HandHeld Hushing (fictional; novelty product feature) |
| SHHH | Silent Hospitals Help Healing (Montefiore Medical Center; Bronx, NY) |