MPID
| Acronym | Definition |
|---|---|
| MPID | Market Participant Identifier |
| MPID | Market Participant ID (securities trading) |
| MPID | Meat and Poultry Inspection Division (North Carolina Department of Agriculture and Consumer Services; Raleigh, NC) |
| MPID | Marathon Pathways into Darkness (game) |
| MPID | MHC (Major Histocompatibility Complex) Peptide Interaction Database (biochemistry) |