PTSB
| Acronym | Definition |
|---|---|
| PTSB | Professional Teaching Standards Board (Wyoming) |
| PTSB | Peoples Trust & Savings Bank (Indiana) |
| PTSB | Palm Tran Service Board (West Palm Beach, FL) |
| PTSB | Parking and Traffic Services Building (Brigham Young University; Utah) |
| PTSB | Protank Technologies Sdn Bhd (Malaysia) |
| PTSB | Peak Total Serum Bilirubin |