OLP may refer to: Off-line programming (robotics) Our Lady Peace, a Canadian alternative rock band Our Lady of Peace (disambiguation) OLP Guitars Ontario Liberal Party, a provincial political party in Ontario, Canada Royal Mail Online Postage, a service provided by Royal Mail in the UK Ordinal linguistic personification, the sense that ordered sequences have personalities Open License Program, a Microsoft volume license service Oral lichen planus of the oral mucosa Places Old Loggers Path, Pennsylvania, USA Olympic Dam Airport (IATA airport code: OLP) in South Australia Olp, a village within Sort municipal term, Pallars Sobirà, Spain See also