| Abbreviation | Definition |
|---|---|
| NDEAM | National Disability Employment Awareness Month |
| NFAM | National Family Appreciation Month |
| NIAM | National Immunization Awareness Month |
| NKM | National Kite Month |
| NNM | National Nutrition Month |
| NOV | November |
| NPM | National Poetry Month |
| NQM | National Quality Month |
| O | October |
| OCT | October |
| ON(&)D | October, November (&) December |
| ON(&)D | October, November () December |
| P6M | Past 6 Months |
| Q2 | The second quarter of a calendar year (not an acronym) |
| QM | Quarter Month |
| RAM | Radon Action Month |
| S | September |
| S | Summer |
| SAM | Stalking Awareness Month |
| SEP | September |