MUC, Muc or Muć may refer to:
Places Muć, a village and municipality in Split-Dalmatia County, Croatia Munich Airport (IATA airport code), Munich, Germany Munich-Riem Airport, a 1939–1992 airport in Munich, Germany Montreal Urban Community, a former regional government in Quebec from 1970 to 2001
Awards Meritorious Unit Citation, an Australian military award Meritorious Unit Commendation, a United States military award
Education Minzu University of China, Beijing, China Mount Union College (now University of Mount Union), Alliance, Ohio, United States Morris University Center of the Southern Illinois University Edwardsville, Edwardsville, Illinois, United States
Science MUC1, Mucin 1, a protein Metastatic urothelial carcinoma, a type of cancer Mixed urethral contamination, where more than one type of organism is present in a clean-catch urine sample, but no strain predominates
Sports and entertainment Le Mans Union Club 72, a French association football club Magic User's Club, an anime series Mid-Ulster Cup, association football cup competition in Northern Ireland Miracle Ultraviolence Connection, in pro wrestling MUC, a 2003 album by Tomcraft Manitoba Underwater Council, the governing body of Underwater football
Other uses Message Understanding Conference, an information extraction competition Multi-user chat, a synchronous online conference with multiple participants
See also SuperMUC, a supercomputer of the Leibniz Supercomputing Centre of the Bavarian Academy of Sciences