The meaning of the Acronym HNM is...

HNM is

• Helicopter Noise Model

More Meanings For HNM:

• Highly Notorious Monster
• Have No Mercy
• Helicopter Noise Model
• Have No Mercy
• Hana Airport, Hana, Maui, Hawaii USA
• Hermandad Nacional del Maestrazgo

HNM is also in:

• Airport Codes
• Military
• Science Fiction
• Spanish
• Sports
• Transportation