SIMH
| Acronym | Definition |
|---|---|
| SIMH | Suryani Institute for Mental Health (est. 2005; Bali, Indonesia) |
| SIMH | School of Infant Mental Health (UK) |
| SIMH | Song in My Head |
| SIMH | Shanghai Institute of Mental Health (est. 1981; China) |
| SIMH | Solitary Intraretinal Macular Hemorrhage |