Jeongsusa (Chongsusa) is a Buddhist temple on Gangwha Island in Gyeonggi-do. It is located on Manisan. It is a temple of the Jogye order. Its name means "Clean Water Temple."

Its main hall (Jeongsusabeopdang) was built by Hoejeong in 639 A.D. and rebuilt during the reign of King Sejong by the monk Hamheo or Gihwa. It is classified as Treasure No. 161.

• Address: 467-3, Sagi-ri, Hwado-myeon, Ganghwa-gun, Incheon