CSMA may refer to:
Organizations
*
Cathedral of Saint Mary of the Assumption (San Francisco, California), principal Catholic church in the San Francisco Archdiocese, US
*
Civil Service Motoring Association
Boundless by CSMA (formerly CSMA Club and previously the Civil Service Motoring Association) is an experiences club that helps public sector workers get the most from their free time. Established in 1923 (when it was the Civil Service Motoring ...
, a private motoring organisation in the UK
*
Coastal Sound Music Academy, a choral organization in Coquitlam, British Columbia, Canada
*
Community School of Music and Arts at Finn Center, an art and music school in Mountain View, California, US
*
Congregation of Saint Michael the Archangel, a Catholic religious institute based in Poland
Other uses
*
Carrier-sense multiple access
Carrier-sense multiple access (CSMA) is a medium access control (MAC) protocol in which a node verifies the absence of other traffic before transmitting on a shared transmission medium, such as an electrical bus or a band of the electromagnetic ...
, a MAC networking protocol
{{disambiguation