M2
| Acronym | Definition |
|---|---|
| M2 | Square Meter (with the two rendered as a superscript) |
| M2 | Marketing Management |
| M2 | Me Too |
| M2 | Major Second (music) |
| M2 | Minor Second (music) |
| M2 | Mother 2 (video game) |
| M2 | Second-Year Medical Student |
| M2 | Myth II: Soulblighter (game) |
| M2 | Marathon2 (Video Game) |
| M2 | Merchant Marine Reserve Coastal Defense (US Navy) |
| M2 | Mullocan Cockatoo (bird species) |
| M2 | Mark Two Accelerator (video game system) |