CTRC may refer to:
Buffalo Central Terminal Restoration Corporation California Trolley and Railroad Corporation, a preserved railroad and museum in the Santa Clara valley Cancer Therapy & Research Center, an academic research and treatment center in Texas Computing-Tabulating-Recording Company, a company renamed International Business Machines in 1924 Cyber Terror Response Center, a cybercrime section of the South Korean police Chymotrypsin-C, an enzyme encoded by the gene CTRC