| Irabu Prefectural Natural Park | |
|---|---|
| 伊良部県立自然公園 | |
 Irabu and Shimojishima | |
| Location | Okinawa Prefecture, Japan |
| Area | 57.39 km² |
| Established | 1 September 1995 |
Irabu Prefectural Natural Park (伊良部県立自然公園, Irabu kenritsu shizen kōen) is a Prefectural Natural Park on and around the islands of Irabu and Shimojishima, Okinawa Prefecture, Japan. The islands, part of the Miyako island group, are adjacent but divided by a narrow channel. The park was established in 1995 and includes a designated marine zone of 23 km².[1]