CSB
CSB is an abbreviation for:
- Chemical oxygen demand, as a sum parameter is a measure of the sum of all present in the water, under certain conditions oxidizable substances
- Social Christian citizens ( in Garmisch -Partenkirchen: Christian Social Alliance ), is the name of electoral associations in several Bavarian cities
- Congregation Sancti Basilii, Congregation of St. Basil priest and priest of St. Basil or Basil's fathers, an international religious community of Roman Catholic priests and students
- Kashubian language, a West Slavic language, language code from ISO 639-2 and 639-3
- U.S. Chemical Safety and Hazard Investigation Board, an independent agency of the U.S. Government, based in Washington, DC. and deals with the investigation of industrial accidents
- Disambiguation
- Abbreviation