MMAC may refer to:

Mega Man Anniversary Collection, a compilation of video games from the Mega Man series Mike Monroney Aeronautical Center Material Management Aggregation Code, a suffix appended to a NATO Stock Number Millions of Multiply Accumulate operations (MAC) . Montana Museum of Art & Culture in Missoula, Montana. Mouche Meurtrier, Alen Chien (MMAC), the master chef from TW.