| Acronym | Sense | Language | Topics |
|---|---|---|---|
| OML | Orbiter Mold Line | In English | → Astronautics |
| OML | Outer Mold Line | In English | → Metallurgy |
| OML | Oddział Metali Lekkich | In Polish | → Research institutes → Metallurgy |
| OML | Open Methodology License | In English | → Artistic property → Computer science |