The meaning of the Acronym MMJ is...

MMJ is

• Modified Modular Jack
• Mobile Media Japan

More Meanings For MMJ:

• Modified Modular Jack
• Mobile Media Japan
• Mobile Media Japan
• Mystic Music Jam, Inc.
• Music Mountain Jamboree
• Medical Marijuana
• Matsumoto, Japan

MMJ is also in:

• Airport Codes
• Firms
• Telecom
• US Government