세간의 소리를 듣고 있다가 곧바로 구제해준다는 관세음보살을 모시고 있기에, 관음사라고 부르게 되었다고 한다.
It was said to have been called the Gwaneumsa Temple because it enshrines the Guanyin, who listens to the people and immediately comes to help.