GTPA
| Acronym | Definition |
|---|---|
| GTPA | German Team Penning Association |
| GTPA | Groupe de Travail Paritaire Académique (French: Joint Academic Working Group) |
| GTPA | Groupe de Travail sur les Peuples Autochtones (French: Working Group on Indigenous Peoples; est. 1982; Geneva, Switzerland) |