SYH
| Acronym | Definition |
|---|---|
| SYH | Suffolk Yacht Harbour (UK) |
| SYH | Saving Young Hearts (Ocoee, FL) |
| SYH | Statens Yrkespedagogiske Høgskole (Norwegian: State Vocational Pedagogical University; Oslo, Norway) |
| SYH | Shrewsbury Youth Hockey (Shrewsbury, MA) |
| SYH | Shaking Your Head |