Sinwà Ân County is a county in South Hwanghae province, North Korea.
Sinwà Ân county is divided into 1 à Âp (town), 1 rodongjagu (workers' district) and 18 ri (villages):
Sinwà Ân county is served by the Hwanghae Ch'à Ângnyà Ân Line of the Korean State Railway.