Novolyalinsky District () is an administrative district (raion) in one of the thirty districts in Sverdlovsk Oblast, Russia. As a municipal division, it is incorporated as Novolyalinsky Urban Okrug. The area of the district is . Its administrative center is the town of Novaya Lyalya. Population: 23,564 (2010 Census); The population of Novaya Lyalya accounts for 54.0% of the district's total population.