| Acronym | Definition |
|---|
| MTH | Month |
| MTH | Mathematics |
| MTH | Mott the Hoople (band) |
| MTH | Mike's Train House |
| MTH | Malvern Town Hall (Australia) |
| MTH | Master of Theology |
| MTH | Multi Table Helper |
| MTH | Memory Translator Hub |
| MTH | Math File |
| MTH | Memory Transfer Hub |
| MTH | Memory Translator Hub (computer motherboard chip/circuitry) |
| MTH | Methanothermobacter Thermautotrophicus |
| MTH | Multi-Texton Histogram |
| MTH | Master Timber Harvester (logger education program; University of Georgia) |
| MTH | Maximum the Hormone (band) |
| MTH | Metatarsal Head (foot) |
| MTH | Marathon, FL, USA (Airport Code) |
| MTH | Mt Hebron High School (Ellicott City, Maryland) |
| MTH | Mount Hood Railroad |
| MTH | Medium Transport Helicopter |
| MTH | Mobile Tare House (sugar beet) |
| MTH | Management Total Health |
| MTH | Master of Tropical Health |