| Acronym | Definition |
|---|
| TMSB➣The Magic School Bus (series) |
| TMSB➣Tropomyosin, Skeletal Muscle Beta |
| TMSB➣Turtle Mountain State Bank (Belcourt, ND) |
| TMSB➣Train Miniature Sud Beaujolais (French: Miniature Train South Beaujolais; France) |
| TMSB➣Titisan Modal Sdn. Bhd. (Malaysia) |