Jeondeungsa () is a Buddhist temple located on Ganghwa Island, Incheon, South Korea. It is the oldest extant Buddhist temple in the entire Korean peninsula, having been founded in the year 381, during the Goguryeo period.
The entirety of the temple is located within the .
Jeondeungsa participates in the Templestay program, in which visitors can stay at the temple and experience Buddhist culture.