| 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) |