OPL
Appearance
OPL may stand for:
Computing and technology
- Open Programming Language
- Optical path length
- Optimization Programming Language, a modelling language designed for the CPLEX Optimization software
- FM Operator Type-L, a series of sound chips made by Yamaha:
Libraries
- Oakville Public Library, in Oakville, Ontario
- Oshawa Public Library, in Oshawa, Ontario
- Ottawa Public Library, in Ottawa, Ontario
- One-person library
Other
- Odisha Premier League, a professional Twenty-20 cricket tournament in India
- Oman Professional League, a football league in Oman
- Optique & Précision de Levallois (1911-1964), a former French optical company
- Organisation du Peuple en Lutte ("Struggling People's Organization"), a Haitian political party