| Acronym | Definition |
|---|
| OLH➣on Line Help |
| OLH➣On-Line Help (Athena) |
| OLH➣Our Lady of the Hills (Kerrville, TX) |
| OLH➣Ovine Luteinizing Hormone |
| OLH➣Our Lady of the Hamptons (regional Catholic school; Southampton, New York) |
| OLH➣OnLetterHead |
| OLH➣Obesity-Linked Hypoventilation |