| Meigetsu-in 明月院 | |
| Location: | 189 Yamanouchi, Kamakura, Kanagawa Prefecture |
| Coordinates: | 35.335°N 139.5515°W |
| Religious Affiliation: | Kenchō-ji Rinzai |
| Deity: | Shō Kannon (Avalokiteśvara) |
| Country: | Japan |
| Website: | None |
| Founded By: | Uesugi Norikata |
is a Rinzai Zen temple of the Kenchō-ji school in Kita-Kamakura, Kanagawa, Japan. It is also known as The Temple of Hydrangeas (ajisai-dera). The main object of worship is goddess Shō Kannon (聖観音).
Meigetsu-in was built by Uesugi Norikata of the powerful Uesugi clan, and the name itself derives from Norikata's own posthumous name (Meigetsu). According to 350-year-old records it was originally just the guest rooms of a much bigger temple called which was closed by the government during the Meiji period.[1] Zenkō-ji was a temple of considerable prestige, being one of the Rinzai Zen temples classified as (which were second in importance only to Kamakura's so-called Five Mountains (.[1] Zenkō-ji however didn't survive the anti-Buddhist clampdown (Haibutsu kishaku) that followed the Meiji Restoration.[1] Meigetsu-in is the owner of a 13th century statue of Uesugi Shigefusa, founder of the Uesugi clan.[1] He is dressed in the picturesque clothes of the dignitaries of the Kamakura period.[1] The statue is a National Treasure.[1]