MCW may mean:
Higher education Master of Creative Writing - a postgraduate education degree offered in New Zealand and Australia, similar to a Master of Fine Arts in creative writing in the United States Medical College of Wisconsin, private medical school in Milwaukee, Wisconsin
Sports Maryland Championship Wrestling - a professional wrestling promotion based in Maryland Melbourne City Wrestling - a professional wrestling promotion based in Melbourne Memphis Championship Wrestling - a professional wrestling promotion based in Memphis Michael Carter-Williams, American professional basketball player Micro Championship Wrestling - a Midget wrestling promotion based in St. Petersburg, Florida
Other Mason City Municipal Airport in Mason City, Iowa (IATA Code: MCW) Metro Cammell Weymann, former United Kingdom bus manufacturer Modulated continuous wave, method for transmitting continuous wave information over other types of radio emissions Mountain Cold Weather, mountain warfare training at Norwich University in Vermont