Nikkō Tōshō-gū (日光東照宮) is a Tōshō-gū Shinto shrine located in Nikko, Tochigi Prefecture, Japan is a UNESCO World Heritage site. It was registered as a World Heritage site in December 1999.

Tōshō-gū Shrine is the resting place of the founder of the Tokugawa Shogunate, Tokugawa leyasu. It was initially built in 1617, during the Edo Period. Tokugawa Shogunate ruled Japan for over 250 years until 1868. Seen today, Tōshō-gū was enlarged into a complex by leyasu’s grandson lemitsu.

There are five structures at Nikkō Tōshō-gū which are categorized as National Treasures of Japan, and three more are categorized as Important Cultural Properties.