| Zuiō-ji 瑞應寺 | |
| Location: | 8-1 Yamanechō, Niihama, Ehime Prefecture |
| Coordinates: | 33.9192°N 133.3017°W |
| Religious Affiliation: | Sōtō Zen |
| Deity: | Shaka Nyorai (Śākyamuni) |
| Country: | Japan |
| Year Completed: | 1448 |
is a Sōtō Zen monastery in Niihama, Ehime Prefecture in Japan.