OCW

OCW may refer to:


 * OpenCourseWare, university material that is available for all to see and use
 * OCW, The Dutch ministry of Education, Culture and Science
 * OCW, abbreviation of The Oxford Companion to Wine
 * OCW, abbreviation of Oklahoma College for Women
 * One cool word, a Vancouver-based arts magazine
 * Operation Car Wash, an international bribery scandal that began in Brazil in 2014