| Native Name: | 大阪府咲洲庁舎 |
| Native Name Lang: | ja |
| Location: | Osaka, Japan |
| Status: | Completed |
| Completion Date: | 1995 |
| Building Type: | Mixed-use |
| Architectural: | 256m (840feet) |
| Floor Count: | 55 above ground 3 below ground |
| Elevator Count: | 32 (12 by Toshiba Elevator・Hitachi, 6 by Mitsubishi Electric, 2 by Otis) |
The or is the second tallest building in Osaka and the third tallest building in Japan. Until 2010, it was known as or . It is located in Nanko Cosmo Square, near the Osaka harbor, in Suminoe-ku.
The skyscraper rises 256m (840feet), the same height as the Rinku Gate Tower Building in Izumisano. It contains three basement floors, a museum, restaurants, office space, a conference room, a skylobby and an observation deck, which is located in an inverted pyramid at the top of the structure. The building houses the working office for the governor of Osaka Prefecture.