MHA

The abbreviation MHA stands for:

• Magnetic Hydrodynamic drive, a driving principle for watercraft
• May-Hegglin anomaly, a hereditary disease
• Masthead Amplifier, amplifier to the antenna
• Madrid Agreement origin (the Madrid Agreement for the Repression of False or Deceptive Indications of Source on Goods of April 14, 1891)

• Disambiguation
• Abbreviation