The Eesti Raadioamatööride Ühing (ERAU) (in English, Estonian Radio Amateurs Union) is a national non-profit organization for amateur radio enthusiasts in Estonia. Key membership benefits of ERAU include the sponsorship of amateur radio operating awards and radio contests, and a QSL bureau for those members who regularly communicate with amateur radio operators in other countries. ERAU publishes a semi-annual membership magazine called . ERAU represents the interests of Estonian amateur radio operators before Estonian and international telecommunications regulatory authorities. ERAU is the national member society representing Estonia in the International Amateur Radio Union.