# MC (disambiguation)

MC is an initialism for master of ceremonies.
MC, M.C., Mc, mC or mc may also refer to:

## Places

* Macau, a Chinese territory (FIPS country code)
* Monaco (ISO 3166-1 alpha-2 country code MC)

## People

* Mariah Carey, American actress and singer-songwriter, also known by her initials MC
* MC (singer), Hong Kong singer
* Mc-, also written Mac-, meaning son, a Gaelic prefix attached to Scottish and Irish names
* MC, pseudonym of the Korean StarCraft II player Jang Min Chul
* M.C., pseudonym of the Australian novelist Catherine Edith Macauley Martin

## Arts, entertainment, and media
### Gaming

* Master Chief (Halo), the main protagonist in the first-person shooter franchise Halo by Xbox Game Studios
* Minecraft, a sandbox game made by Mojang

### Television

* Mayans M.C., a television series spun off from Sons of Anarchy, about the fictional Mayans Motorcycle Club
* Multicinema, a Mexican pay TV network

### Other arts, music, entertainment, and media

* Master of ceremonies or mistress of ceremonies
* MCing: Alternative term for rapping
* mc die microcomputer-zeitschrift (magazine), former German computer magazine
* Music Canada, a non-profit trade organization for companies that record, manufacture, produce, and distribute music in Canada
* Music Choice, cable television channel

## Businesses and organizations

* LVMH (pan-European stock exchange stock symbol MC)
* Missionaries of Charity, whose members use the post-nominal letters MC
* Motorcycle club

## Education

* Marin Catholic High School, Kentfield, Marin County, California, US
* Marietta College, Marietta, Ohio, US
* Master of Counselling, an academic degree
* Michigan Collegiate, Warren, Michigan, US
* Middlebury College, Middlebury, Vermont, US
* Mission College (California), Santa Clara, California, US
* Mississippi College, Clinton, Mississippi, US
* Monmouth College, Monmouth, Illinois
* Montgomery College, Montgomery County, Maryland, US
* Montgomery College (now Lone Star College-Montgomery), Montgomery County, Texas, US
* Multiple choice, a form of an objective assessment

## Military

* Marine Corps, a military branch marines
* Mass communication specialist, a US Navy rating
* Military Cross, a British and Commonwealth military decoration

## Science and technology
### Astrophysics and astrology

* Mars Chart, see List of quadrangles on Mars
* Medium Coeli, midheaven point in astrology

### Computing and technology

* .mc, the Internet country code top-level domain (ccTLD) for Monaco
* Music Cassette - cassette tape, e.g. C60 or C90 for up to 120 minutes of recordings
** Microcassette tape, e.g. MC30 is 30-minute tape
* Microcontroller (abbreviated "MC", "MCU" or "μC"), a computer-on-a-chip used to control electronic devices
* Midnight Commander, a file-management software
* Moving coil, a type of phonograph magnetic cartridge

### Other uses in science and technology

* Moscovium, symbol Mc, a chemical element
* Megacoulomb, an SI unit of electric charge
* Megacycles, a unit of frequency in the microwave band
* Micro- (mc), alternative to SI prefix μ, e.g. mcg
* Microchimerism, the presence of a minority of extrinsic living cells in a host
* Millicoulomb (mC), an SI unit of electric charge
* Dichloromethane (CH$_2$Cl$_2$, Methylene Chloride (MC) or DCM), a chemical compound

## Other uses

* "Mc-", a prefix used to form McWords
* Malaita Cup, football tournament in Solomon Islands
* Marginal cost, in economics and finance
* Metro Cebu, the urban center of Cebu, Philippines
* Middle Chinese, an historical Chinese dialect
* 1100 in Roman numerals
* Maine Coon, a cat breed
* Montserrat Championship, top division association football league in Montserrat