Renge-in Tanjō-ji
 Renge-in Tanjō-ji (蓮華院誕生寺) is a Buddhist temple of the Shingon Risshu or Shingon-Vinaya Buddhism in Tamana Kumamoto Prefecture. It is the head temple of Shingon-Vinaya Buddhism in Kyūshū and a branch temple of Saidai-ji (西大寺) in Nara (奈良). It venerates Maha-Bodhisattva Kōen (皇円大菩薩 Kōen Daibosatsu) as its patron deity.