Yes! It is called the defibrillator register and is run by the health authorities. You can find an overview of registered defibrillators on the 113.no website or by downloading the Hjelp 113 app on your mobile or tablet.
Anyone who owns or rents a defibrillator is encouraged to register it. It helps the health authorities find the nearest defibrillator. It is not required to register defibrillators.