Touko-ji, Buddhist temple in Miki, Japan.

Touko-ji is a Shingon Buddhist temple of the Koyasan school in Miki, Hyogo Prefecture, known by the nickname Koyadera. Its main hall, built in the early Muromachi period, has a five-bay front and five-bay side, a hip-and-gable roof of single-layer tiles and a mixed style. A large old cherry tree stands beside the stone steps in front of the hall.

According to temple tradition, Gyōki founded Tōkō-ji during the Jinki era (724–728) under Emperor Shōmu. The main hall (hondō) dates from the early Muromachi period and is a nationally designated Important Cultural Property. The tahōtō pagoda was built in 1517 and is a Hyōgo Prefecture Cultural Property.

The temple is commonly called Koyadera. Its grounds are known for cherry blossoms and autumn leaves, with an old cherry tree standing beside the stone steps in front of the main hall. The temple belongs to the Koyasan Shingon school.

The temple is reached by car: about six minutes from the Yoshikawa interchange of the Chugoku Expressway, at 261 Fukuyoshi, Yoshikawa-cho, Miki, Hyogo 673-1234. The gate is open from 9:00 to 17:00.

The temple is commonly known as Koyadera, a nickname used locally instead of the formal name Touko-ji. Its main hall, built in the early Muromachi period, is a nationally designated Important Cultural Property, five bays wide and five deep with a hip-and-gable roof of single-storey, hongawara tiles.