What does HERA stand for?

Hadron-Electron Ring Accelerator

Hadron-Elektron-Ring Anlage - Hadron-Electron Ring Accelerator - Germany

Heavy Engineering Research Association (SAUO)

Helicopter Radar (SAUS)

Heritage Australia Information System - Computer science

High Energy Reaction Analysis Group - Switzerland (BUAC)

High-Explosive Rocket Assisted - Weaponry

Homemakers Equal Rights Association - Defunct (EA)