薬王寺, Buddhist temple in Togane, Japan.

Yakuoji Temple is a Buddhist temple in Togane with multiple structures including a main hall, Daishido hall, reception hall, and monastery kitchen set within the grounds. Traditional gates and Japanese architectural elements define the overall layout and appearance of the complex.

Founded by the Kamakura-period Nichiren monk Nisshō (Tomiki Jōnin), the temple is recorded in the Kazusa Kokushi as established on the eighth day of the second month of 1616. Its main image, Yakushi Rurikō Nyorai, was installed by the second abbot, Nichien, in the Kan'ei era. A fire in 1745 destroyed old records and treasures, and the present halls were rebuilt afterwards. In 1953 it became an independent temple.

Locals call the temple "Fuda no Yakushi-san" after its formal name Fuda Yakuoji. Its main image, Yakuyo Ruriko Nyorai, was brought by the founder Nichijo Shonin and installed in the Kan'ei era by the second abbot, Nisshin. The temple's eye medicine, Fuda no Megusuri, was made by the third abbot Nissho from a passage of the Lotus Sutra and handed down orally among the abbots.

The temple stands on a slope at 301 Kamifuda, Togane, Chiba, so the grounds have a marked difference in height. Since April 2015 the Shōkan Bridge has let wheelchair users reach the main hall, and in March 2017 a flower-lined stairway was completed up to the bell tower on the summit.

The temple is nicknamed "Fuda no Yakushi-san" and draws worshippers from beyond Chiba Prefecture. Its mountain name, Furyuzan, and formal name, Fuda Yakuoji, refer to the Kamagaya district of Togane where it stands. The main image, Yakushi Ruriko Nyorai, is said to have been brought by the founder Nichijo Shonin.