MC

The Simple English Wiktionary has a definition for: MC, Mc, mC, and .mc.

MC or variations may refer to:

Places

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

Arts, entertainment, and media

Minecraft, a game released in 2011 by Mojang
Music Choice, cable television channel

Businesses and organizations

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

Science and technology

Moscovium (Mc), chemical element 115
.mc, the Internet country code top-level domain (ccTLD) for Monaco
Megacoulomb (MC), an SI unit of electric charge
Millicoulomb (mC), an SI unit of electric charge

Other uses

Military Cross, a British and Commonwealth military decoration
Middle Chinese, an historical Chinese dialect
1100 in Roman numerals