OOL
# OOL

OOL may refer to:

## Science and technology

* Object-oriented language, a programming paradigm
* OoL (Origins of life), Abiogenesis
* Out-of-the-loop performance problem, a consequence of automation

## Others

* Gold Coast Airport (IATA code) in Gold Coast, Queensland, Australia
* Olivia O'Leary, Irish journalist, writer and current affairs presenter
* Optimum Online, an Internet service provider in the United States
