| Abbreviation | Definition |
|---|---|
| GP | Guinea Pig |
| GPC | General Personnel Consultant |
| GPHR | Global Professional in Human Resources |
| GPM | General Program Manager |
| GPO | Government Pension Offset |
| GPQA | Guidelines for Production and Quality Assurance |
| GPT | Get Paid To |
| GQD | Global Quality Director |
| GR | Grim Reaper |
| GRA | Guestroom Attendant |
| GRA | Guestroom Attendant |
| GRANDPA | Grand Radical Awesome Nice Dude Personal Assistant |
| GRE | Guaranteed Research Experience |
| GRE | Guest Relation Executive |
| GRI | Graduate Of Realtor Institute |
| GRO | Guest Relations Officer |
| GS | Government Service [as in Pay Scale] |
| GS | Gun Smith |
| GSA | General Sales Agent |
| GSM | General Sales Manager |