RGP
RGP stands for:
- Redemption Grace Period
- rigid gas permeable (dt .: dimensionally stable oxygen permeable), type of contact lenses, see contact lens # RGP contact lenses versus soft contact lenses
- Resources Global Professionals , US service company, NASDAQ listed
- Royal Gibraltar Police
- Rame à grand parcours , French diesel multiple units (e.g. SNCF X 2400 )
