興徳寺, Buddhist temple in central Osaka, Japan.

Kōtokuji Temple is a Buddhist sanctuary in central Osaka featuring wooden carvings and Buddha statues inside its halls. The interior layout follows traditional arrangement patterns that have been maintained across generations.

Founded as Yakushi-in near Hōenzaka during Prince Shōtoku's lifetime, the temple was restored by Gyōki in the Tenpyō era (729–749) as one of his forty-nine monasteries. It later lost its old records to repeated fires and warfare. A fire on 1 June 1915 destroyed the main hall and abbot's quarters, leaving only a storehouse; the second Great Osaka Air Raid on 1 June 1945 burned everything except the gate. The main hall was rebuilt in 1952.

Kōtokuji is the 12th stop on the Settsu Province 88-temple pilgrimage and the 11th on the Osaka 33 Kannon pilgrimage. In the grounds stands a 33-shaku (about 10-metre) statue of Juntei Kannon, and a hall for Yūzū Jizō. A grave here belongs to Yūkame, remembered as the founder of the chindon'ya street-musician trade.

The temple is easy to reach by taking the subway to the nearest station and following signs through residential streets. Wearing comfortable walking shoes is helpful since you need to walk a short distance.

The temple holds the grave of Tōkai Kameyū Shinji, remembered as the founder of chindonya, the street bands that paraded in elaborate costumes to advertise shops. The grave is a detail most visitors walk past on the way to the main hall.