CLO

CLO may refer to:

Institutional positions

 * Chief Learning Officer, training post
 * Chief Legal Officer of a legal department

Locations

 * Alfonso Bonilla Aragón International Airport, Palmira, Colombia, IATA code
 * Civic Light Opera (disambiguation), several US theatres
 * Cło, Świętokrzyskie Voivodeship, Gmina Kazimierza Wielka, Kazimierza County, Poland
 * Coolaroo railway station, Melbourne

Organizations

 * Central Legal Office of NHS Scotland
 * Conselh de la Lenga Occitana (Occitan Language Council)
 * Cooperative Living Organization, a housing cooperative in Gainesville, FL, US
 * Federation of Civil Service Organizations (Centrale van Landsdienaren Organisaties), Suriname

Technical terms

 * Collateralized loan obligation, an asset-backed security
 * Color Light Output or color brightness of a projector

Other uses

 * Alberto Clò (born 1947), Italian politician and academic
 * Campylobacter-like organism test, rapid test for the most common cause of gastric ulcer
 * Chlorine monoxide, a chemical radical
 * Clo the Cow, advertising mascot of Clover Stornetta Farms
 * Hypochlorite ion (ClO−), composed of chlorine and oxygen
 * Unit of clothing insulation