Taupō District is a territorial authority district in New Zealand. It covers 6,333 km² of land, and a further 610 km² of lake area, including Lake Taupō, New Zealand's largest lake, and Lake Rotoaira. The district stretches from the small town of Mangakino in the northwest to the Tongariro National Park in the south, and east into the Kaingaroa Forest. The district's population is largely located in the two main centres, Taupō and Tūrangi.

Lake Taupō is a large crater lake in New Zealand's North Island, located in the caldera of Taupō Volcano. The lake is the namesake of the town of Taupō, which sits on a bay in the lake's northeastern shore. With a surface area of 616 km2 (238 sq mi), it is the largest lake by surface area in New Zealand, and the second largest freshwater lake by surface area in geopolitical Oceania after Lake Murray in Papua New Guinea. Motutaiko Island lies in the southeastern area of the lake.