OPL

OPL might be an acronym or abbreviation for:

Open Publication License, often confused with the Open Content License
Open programming language (formerly Organiser Programming Language)
FM OPerator Type-L; a series of sound chips from Yamaha: YM3526 (OPL), YM3812 (OPL2), YMF262 (OPL3) and YMF278 (OPL4)
Optique & Précision de Levallois, the optical company
Outer plexiform layer, a layer of the Retina
Oakville Public Library
Oshawa Public Library
Ottawa Public Library
OPL Development Studio
Optical path length
Organisation du Peuple en Lutte (previously, Organisation Politique Lavalas): Struggling People's Organization (Haiti)
One-person library, also known as Solo librarianship.
Oil Prospecting Lease
Over Power Lines : as in Broadband Over Power Lines, a promising means to provide broadband over electrical lines
One point lesson
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