Clubul Sportiv Muncitoresc Borzești, commonly known as CSM Borzești was a Romania football club from Onești, Bacău County. In 1994 the club merged with Electromecon Onești to form FC Onești.[2]
CSM Borzești was founded 1975[3] after the merger of Știința Bacău with CAROM Onești, the first one being absorbed by the second one. After the merge, CAROM was moved to Borzești, a village (now part of Onești) and renamed as CSM Borzești.[4]