Dalnekonstantinovsky District () is an administrative district (raion), one of the forty in Nizhny Novgorod Oblast, Russia. Municipally, it is incorporated as Dalnekonstantinovsky Municipal District. It is located in the center of the oblast. The area of the district is . Its administrative center is the urban locality (a work settlement) of Dalneye Konstantinovo. Population: 22,474 (2010 Census); The population of Dalneye Konstantinovo accounts for 21.3% of the district's total population.
The district was established in 1929.