OL
OL is widely recognized as shorthand for 'online', and it also appears in markup languages for ordered lists, as well as in technical contexts such as overlay or open‑loop systems.
Miscellaneous
Ordered Locator
Organized List
Odis Lowe
Orientation Leader
Overall Length
Over Locknut
A Order List
Overtime Loss
Out Of Limits
On Liberty
Octahedral Layer
Obsidion Legionnares
Olive
Optimum Level
Offensive Line
Over Load