OLS or Ols may refer to: Oleśnica (German: Öls), Poland Operation Lone Star, Texas border operation Optical landing system, U.S. Navy landing system Order of Luthuli in Silver, a South African honour Ordinary least squares, a method used in regression analysis for estimating linear models Ottawa Linux Symposium, tech conference held annually from 1999 to 2014 Oulun Luistinseura, a Finnish multi-sports club The Sims 3: Outdoor Living Stuff, the third stuff pack to The Sims 3 Nogales International Airport, Arizona, US (IATA code) This disambiguation page lists articles associated with the title OLS.If an internal link led you here, you may wish to change the link to point directly to the intended article. Look up ols in Wiktionary, the free dictionary. Wikiwand - on Seamless Wikipedia browsing. On steroids.