COSL

COSL may refer to:


 * Credit ombudsman service Limited, an External/Alternate Dispute Resolution Scheme in Australia
 * China Oilfield Services, a Chinese petroleum services company
 * Luxembourgian Olympic and Sporting Committee, Luxembourg's National Olympic Committee
 * Citicorp Overseas Software Limited, Citicorp Overseas Software Limited, Mumbai, India. This was the origin of current 'Oracle Financial Services'