OML
OML is an XML format for outlines in information technology.
OML may also refer to:
- Old Main Line (disambiguation), various meanings in transportatation
- Old Mutual, an international insurance company
- One More Light, an album by American musicians Linkin Park
- Order of Merit List, for the U.K. Order of Merit
- Outer Mold Line, an aeroshell's outer surface, mainly used in the context of aviation