OLS

The abbreviation stands for OLS:

• The UN mission Operation Lifeline Sudan
• The ordinary least squares estimation, see method of least squares
• The Football Oberliga Süd and other sports
• Called the OpenGIS Location Service, also OpenLS
• The Ottawa Linux Summit in Canada, see Linuxtag
• The IATA code of Olsobip in Papua New Guinea
• Optical Landing System, an optical landing system from the aerospace
• Opti League in the loop
• The Finnish sports club Oulu Luistinseura

Ols stands for:

• A form of the name of Olaf
• Piedmontese and Occitan name of the community Oulx in the province of Turin, Italy

• Disambiguation
• Abbreviation