Dubyazy (Tatar: Дөбъяз, romanized: Döbyaz; Russian: Дубъязы) is a rural locality (a selo) in Vysokogorsky District, Tatarstan, Russia.

[1] Dubyazy is located 30 kilometres (19 mi) northwest of Vysokaya Gora, the district's administrative centre, and 50 kilometres (31 mi) north of Kazan, the republic's capital, by road.

By the beginning of the 20th century, the village had two mosques, a mekteb, two grain scourers and four windmills.

Before the creation of the Tatar ASSR in 1920, it was part of Kazansky Uyezd of Kazan Governorate.

From 1920, it was part of Arsk Canton; after the creation of districts in the Tatar ASSR (Tatarstan), it was located in Dubyazsky (1930–1963), Zelenodolsky (1963–1965) and Vysokogorsky districts.