The meaning of the Acronym MMA is...

MMA is

• Montreal, Maine, and Atlantic Railway

More Meanings For MMA:

• Monthly Machine Analysis
• Marked Message Accuracy
• Milli Modulation Amplitude
• Methyl Methacrylate A
• Medieval Marching Association
• Mixed Martial Arts
• Mennonite Mutual Aid
• Mulla Military Alliance
• Methyl Methacrylate An
• Military Mullah Alliance
• More Money Available
• Modern Martial Art
• Marketing Management Analytics
• MIDI Manufacturers Association
• Manual Metal Arc

MMA is also in:

• Astronomy
• Chemistry
• Firms
• General
• Hobbies
• Unfiled