| Term | Full Form | Category |
|---|---|---|
| NSPD | National Security Policy Directive | Others |
| NSPD | National Security Presidential Directive | Others |
| NSPD | National Security Presidential Directives | Others |
| NSPD | National State Policy Database | Others |
| NSPD | native speaker of Pennsylvania Dutch | Others |
| NSPD | Naval Systems Projections Database | Others |
| NSPD | Non specific Psychological Distress | Others |
| NSPD | North Shore Plumbing and Drainage | Others |
| NSPD | Northeastern Swimming Pool Distributors | Others |